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Finding the Fourth Proportional to 573,041.60, 859,562.40 and 440,181.35

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Solution

The fourth proportional to 573,041.60, 859,562.40 and 440,181.35 is: 660,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,041.60 : 859,562.40 = 440,181.35 : x
  2. Step 2: Convert to fraction form
    573,041.60/859,562.40 = 440,181.35/x
  3. Step 3: Cross multiply
    573,041.60x = 859,562.40 × 440,181.35
  4. Step 4: Simplify right side
    573,041.60x = 378,363,337,641.24
  5. Step 5: Solve for x
    x = 378,363,337,641.24/573,041.60
  6. Step 6: Final answer
    x = 660,272.03

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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.