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Finding the Fourth Proportional to 556,280.70, 834,421.05 and 497,231.70

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Solution

The fourth proportional to 556,280.70, 834,421.05 and 497,231.70 is: 745,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,280.70 : 834,421.05 = 497,231.70 : x
  2. Step 2: Convert to fraction form
    556,280.70/834,421.05 = 497,231.70/x
  3. Step 3: Cross multiply
    556,280.70x = 834,421.05 × 497,231.70
  4. Step 4: Simplify right side
    556,280.70x = 414,900,597,207.29
  5. Step 5: Solve for x
    x = 414,900,597,207.29/556,280.70
  6. Step 6: Final answer
    x = 745,847.55

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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.