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Finding the Fourth Proportional to 610,144.38, 841,714.47 and 383,914.62

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Solution

The fourth proportional to 610,144.38, 841,714.47 and 383,914.62 is: 529,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,144.38 : 841,714.47 = 383,914.62 : x
  2. Step 2: Convert to fraction form
    610,144.38/841,714.47 = 383,914.62/x
  3. Step 3: Cross multiply
    610,144.38x = 841,714.47 × 383,914.62
  4. Step 4: Simplify right side
    610,144.38x = 323,146,490,898.55
  5. Step 5: Solve for x
    x = 323,146,490,898.55/610,144.38
  6. Step 6: Final answer
    x = 529,622.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.