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Finding the Fourth Proportional to 575,490.39, 861,562.53 and 334,870.96

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Solution

The fourth proportional to 575,490.39, 861,562.53 and 334,870.96 is: 501,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,490.39 : 861,562.53 = 334,870.96 : x
  2. Step 2: Convert to fraction form
    575,490.39/861,562.53 = 334,870.96/x
  3. Step 3: Cross multiply
    575,490.39x = 861,562.53 × 334,870.96
  4. Step 4: Simplify right side
    575,490.39x = 288,512,271,521.13
  5. Step 5: Solve for x
    x = 288,512,271,521.13/575,490.39
  6. Step 6: Final answer
    x = 501,332.91

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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.