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Finding the Fourth Proportional to 508,280.93, 762,426.86 and 153,298.02

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Solution

The fourth proportional to 508,280.93, 762,426.86 and 153,298.02 is: 229,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,280.93 : 762,426.86 = 153,298.02 : x
  2. Step 2: Convert to fraction form
    508,280.93/762,426.86 = 153,298.02/x
  3. Step 3: Cross multiply
    508,280.93x = 762,426.86 × 153,298.02
  4. Step 4: Simplify right side
    508,280.93x = 116,878,530,700.30
  5. Step 5: Solve for x
    x = 116,878,530,700.30/508,280.93
  6. Step 6: Final answer
    x = 229,948.68

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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.