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Finding the Fourth Proportional to 551,342.16, 761,141.16 and 371,002.32

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Solution

The fourth proportional to 551,342.16, 761,141.16 and 371,002.32 is: 512,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,342.16 : 761,141.16 = 371,002.32 : x
  2. Step 2: Convert to fraction form
    551,342.16/761,141.16 = 371,002.32/x
  3. Step 3: Cross multiply
    551,342.16x = 761,141.16 × 371,002.32
  4. Step 4: Simplify right side
    551,342.16x = 282,385,136,207.49
  5. Step 5: Solve for x
    x = 282,385,136,207.49/551,342.16
  6. Step 6: Final answer
    x = 512,177.66

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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.