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Finding the Fourth Proportional to 584,509.40, 876,278.10 and 247,808.60

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Solution

The fourth proportional to 584,509.40, 876,278.10 and 247,808.60 is: 371,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,509.40 : 876,278.10 = 247,808.60 : x
  2. Step 2: Convert to fraction form
    584,509.40/876,278.10 = 247,808.60/x
  3. Step 3: Cross multiply
    584,509.40x = 876,278.10 × 247,808.60
  4. Step 4: Simplify right side
    584,509.40x = 217,149,249,171.66
  5. Step 5: Solve for x
    x = 217,149,249,171.66/584,509.40
  6. Step 6: Final answer
    x = 371,506.86

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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.