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Finding the Fourth Proportional to 461,502.29, 636,905.09 and 257,592.89

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Solution

The fourth proportional to 461,502.29, 636,905.09 and 257,592.89 is: 355,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,502.29 : 636,905.09 = 257,592.89 : x
  2. Step 2: Convert to fraction form
    461,502.29/636,905.09 = 257,592.89/x
  3. Step 3: Cross multiply
    461,502.29x = 636,905.09 × 257,592.89
  4. Step 4: Simplify right side
    461,502.29x = 164,062,225,025.06
  5. Step 5: Solve for x
    x = 164,062,225,025.06/461,502.29
  6. Step 6: Final answer
    x = 355,496.01

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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.