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Finding the Fourth Proportional to 575,488.39, 861,559.53 and 334,868.96

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Solution

The fourth proportional to 575,488.39, 861,559.53 and 334,868.96 is: 501,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,488.39 : 861,559.53 = 334,868.96 : x
  2. Step 2: Convert to fraction form
    575,488.39/861,559.53 = 334,868.96/x
  3. Step 3: Cross multiply
    575,488.39x = 861,559.53 × 334,868.96
  4. Step 4: Simplify right side
    575,488.39x = 288,509,543,789.19
  5. Step 5: Solve for x
    x = 288,509,543,789.19/575,488.39
  6. Step 6: Final answer
    x = 501,329.91

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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.