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Finding the Fourth Proportional to 506,706.66, 760,060.16 and 127,630.52

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Solution

The fourth proportional to 506,706.66, 760,060.16 and 127,630.52 is: 191,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,706.66 : 760,060.16 = 127,630.52 : x
  2. Step 2: Convert to fraction form
    506,706.66/760,060.16 = 127,630.52/x
  3. Step 3: Cross multiply
    506,706.66x = 760,060.16 × 127,630.52
  4. Step 4: Simplify right side
    506,706.66x = 97,006,873,452.08
  5. Step 5: Solve for x
    x = 97,006,873,452.08/506,706.66
  6. Step 6: Final answer
    x = 191,445.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.