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Finding the Fourth Proportional to 527,700.70, 791,490.30 and 153,723.70

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Solution

The fourth proportional to 527,700.70, 791,490.30 and 153,723.70 is: 230,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,700.70 : 791,490.30 = 153,723.70 : x
  2. Step 2: Convert to fraction form
    527,700.70/791,490.30 = 153,723.70/x
  3. Step 3: Cross multiply
    527,700.70x = 791,490.30 × 153,723.70
  4. Step 4: Simplify right side
    527,700.70x = 121,670,817,430.11
  5. Step 5: Solve for x
    x = 121,670,817,430.11/527,700.70
  6. Step 6: Final answer
    x = 230,567.85

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1.5x scale

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.