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Finding the Fourth Proportional to 590,169.40, 885,254.10 and 577,047.40

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Solution

The fourth proportional to 590,169.40, 885,254.10 and 577,047.40 is: 865,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,169.40 : 885,254.10 = 577,047.40 : x
  2. Step 2: Convert to fraction form
    590,169.40/885,254.10 = 577,047.40/x
  3. Step 3: Cross multiply
    590,169.40x = 885,254.10 × 577,047.40
  4. Step 4: Simplify right side
    590,169.40x = 510,833,576,744.34
  5. Step 5: Solve for x
    x = 510,833,576,744.34/590,169.40
  6. Step 6: Final answer
    x = 865,571.10

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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.