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Finding the Fourth Proportional to 372,475.92, 514,006.92 and 202,706.40

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Solution

The fourth proportional to 372,475.92, 514,006.92 and 202,706.40 is: 279,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,475.92 : 514,006.92 = 202,706.40 : x
  2. Step 2: Convert to fraction form
    372,475.92/514,006.92 = 202,706.40/x
  3. Step 3: Cross multiply
    372,475.92x = 514,006.92 × 202,706.40
  4. Step 4: Simplify right side
    372,475.92x = 104,192,492,328.29
  5. Step 5: Solve for x
    x = 104,192,492,328.29/372,475.92
  6. Step 6: Final answer
    x = 279,729.47

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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.