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Finding the Fourth Proportional to 590,547.80, 885,821.70 and 574,995.80

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Solution

The fourth proportional to 590,547.80, 885,821.70 and 574,995.80 is: 862,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,547.80 : 885,821.70 = 574,995.80 : x
  2. Step 2: Convert to fraction form
    590,547.80/885,821.70 = 574,995.80/x
  3. Step 3: Cross multiply
    590,547.80x = 885,821.70 × 574,995.80
  4. Step 4: Simplify right side
    590,547.80x = 509,343,757,048.86
  5. Step 5: Solve for x
    x = 509,343,757,048.86/590,547.80
  6. Step 6: Final answer
    x = 862,493.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.