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Finding the Fourth Proportional to 497,000.80, 745,501.20 and 463,539.70

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Solution

The fourth proportional to 497,000.80, 745,501.20 and 463,539.70 is: 695,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,000.80 : 745,501.20 = 463,539.70 : x
  2. Step 2: Convert to fraction form
    497,000.80/745,501.20 = 463,539.70/x
  3. Step 3: Cross multiply
    497,000.80x = 745,501.20 × 463,539.70
  4. Step 4: Simplify right side
    497,000.80x = 345,569,402,597.64
  5. Step 5: Solve for x
    x = 345,569,402,597.64/497,000.80
  6. Step 6: Final answer
    x = 695,309.55

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Similar ratio
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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.