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Finding the Fourth Proportional to 527,654.66, 789,590.03 and 456,820.92

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Solution

The fourth proportional to 527,654.66, 789,590.03 and 456,820.92 is: 683,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,654.66 : 789,590.03 = 456,820.92 : x
  2. Step 2: Convert to fraction form
    527,654.66/789,590.03 = 456,820.92/x
  3. Step 3: Cross multiply
    527,654.66x = 789,590.03 × 456,820.92
  4. Step 4: Simplify right side
    527,654.66x = 360,701,241,643.32
  5. Step 5: Solve for x
    x = 360,701,241,643.32/527,654.66
  6. Step 6: Final answer
    x = 683,593.40

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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.