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Finding the Fourth Proportional to 710,130.24, 979,940.03 and 404,281.13

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Solution

The fourth proportional to 710,130.24, 979,940.03 and 404,281.13 is: 557,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,130.24 : 979,940.03 = 404,281.13 : x
  2. Step 2: Convert to fraction form
    710,130.24/979,940.03 = 404,281.13/x
  3. Step 3: Cross multiply
    710,130.24x = 979,940.03 × 404,281.13
  4. Step 4: Simplify right side
    710,130.24x = 396,171,255,739.53
  5. Step 5: Solve for x
    x = 396,171,255,739.53/710,130.24
  6. Step 6: Final answer
    x = 557,885.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.