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Finding the Fourth Proportional to 567,097.85, 782,162.85 and 385,503.72

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Solution

The fourth proportional to 567,097.85, 782,162.85 and 385,503.72 is: 531,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,097.85 : 782,162.85 = 385,503.72 : x
  2. Step 2: Convert to fraction form
    567,097.85/782,162.85 = 385,503.72/x
  3. Step 3: Cross multiply
    567,097.85x = 782,162.85 × 385,503.72
  4. Step 4: Simplify right side
    567,097.85x = 301,526,688,320.80
  5. Step 5: Solve for x
    x = 301,526,688,320.80/567,097.85
  6. Step 6: Final answer
    x = 531,701.34

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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.