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Finding the Fourth Proportional to 575,488.65, 861,559.90 and 334,869.21

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Solution

The fourth proportional to 575,488.65, 861,559.90 and 334,869.21 is: 501,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,488.65 : 861,559.90 = 334,869.21 : x
  2. Step 2: Convert to fraction form
    575,488.65/861,559.90 = 334,869.21/x
  3. Step 3: Cross multiply
    575,488.65x = 861,559.90 × 334,869.21
  4. Step 4: Simplify right side
    575,488.65x = 288,509,883,080.68
  5. Step 5: Solve for x
    x = 288,509,883,080.68/575,488.65
  6. Step 6: Final answer
    x = 501,330.27

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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.