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Finding the Fourth Proportional to 590,146.70, 885,657.45 and 432,682.70

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Solution

The fourth proportional to 590,146.70, 885,657.45 and 432,682.70 is: 649,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,146.70 : 885,657.45 = 432,682.70 : x
  2. Step 2: Convert to fraction form
    590,146.70/885,657.45 = 432,682.70/x
  3. Step 3: Cross multiply
    590,146.70x = 885,657.45 × 432,682.70
  4. Step 4: Simplify right side
    590,146.70x = 383,208,656,741.12
  5. Step 5: Solve for x
    x = 383,208,656,741.12/590,146.70
  6. Step 6: Final answer
    x = 649,344.74

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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.