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Finding the Fourth Proportional to 372,476.42, 514,007.61 and 202,706.90

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Solution

The fourth proportional to 372,476.42, 514,007.61 and 202,706.90 is: 279,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,476.42 : 514,007.61 = 202,706.90 : x
  2. Step 2: Convert to fraction form
    372,476.42/514,007.61 = 202,706.90/x
  3. Step 3: Cross multiply
    372,476.42x = 514,007.61 × 202,706.90
  4. Step 4: Simplify right side
    372,476.42x = 104,192,889,199.51
  5. Step 5: Solve for x
    x = 104,192,889,199.51/372,476.42
  6. Step 6: Final answer
    x = 279,730.16

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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.