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Finding the Fourth Proportional to 436,045.29, 601,792.38 and 242,472.30

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Solution

The fourth proportional to 436,045.29, 601,792.38 and 242,472.30 is: 334,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,045.29 : 601,792.38 = 242,472.30 : x
  2. Step 2: Convert to fraction form
    436,045.29/601,792.38 = 242,472.30/x
  3. Step 3: Cross multiply
    436,045.29x = 601,792.38 × 242,472.30
  4. Step 4: Simplify right side
    436,045.29x = 145,917,982,501.07
  5. Step 5: Solve for x
    x = 145,917,982,501.07/436,045.29
  6. Step 6: Final answer
    x = 334,639.51

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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.