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Finding the Fourth Proportional to 527,999.30, 790,962.15 and 360,037.70

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Solution

The fourth proportional to 527,999.30, 790,962.15 and 360,037.70 is: 539,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,999.30 : 790,962.15 = 360,037.70 : x
  2. Step 2: Convert to fraction form
    527,999.30/790,962.15 = 360,037.70/x
  3. Step 3: Cross multiply
    527,999.30x = 790,962.15 × 360,037.70
  4. Step 4: Simplify right side
    527,999.30x = 284,776,193,273.06
  5. Step 5: Solve for x
    x = 284,776,193,273.06/527,999.30
  6. Step 6: Final answer
    x = 539,349.57

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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.