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Finding the Fourth Proportional to 506,037.85, 698,855.18 and 437,726.90

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Solution

The fourth proportional to 506,037.85, 698,855.18 and 437,726.90 is: 604,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,037.85 : 698,855.18 = 437,726.90 : x
  2. Step 2: Convert to fraction form
    506,037.85/698,855.18 = 437,726.90/x
  3. Step 3: Cross multiply
    506,037.85x = 698,855.18 × 437,726.90
  4. Step 4: Simplify right side
    506,037.85x = 305,907,711,048.85
  5. Step 5: Solve for x
    x = 305,907,711,048.85/506,037.85
  6. Step 6: Final answer
    x = 604,515.48

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1.5x scale

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.