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Finding the Fourth Proportional to 611,442.22, 913,045.85 and 499,344.82

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Solution

The fourth proportional to 611,442.22, 913,045.85 and 499,344.82 is: 745,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,442.22 : 913,045.85 = 499,344.82 : x
  2. Step 2: Convert to fraction form
    611,442.22/913,045.85 = 499,344.82/x
  3. Step 3: Cross multiply
    611,442.22x = 913,045.85 × 499,344.82
  4. Step 4: Simplify right side
    611,442.22x = 455,924,715,620.00
  5. Step 5: Solve for x
    x = 455,924,715,620.00/611,442.22
  6. Step 6: Final answer
    x = 745,654.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.