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Finding the Fourth Proportional to 710,045.24, 979,955.01 and 404,062.07

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Solution

The fourth proportional to 710,045.24, 979,955.01 and 404,062.07 is: 557,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,045.24 : 979,955.01 = 404,062.07 : x
  2. Step 2: Convert to fraction form
    710,045.24/979,955.01 = 404,062.07/x
  3. Step 3: Cross multiply
    710,045.24x = 979,955.01 × 404,062.07
  4. Step 4: Simplify right side
    710,045.24x = 395,962,644,947.70
  5. Step 5: Solve for x
    x = 395,962,644,947.70/710,045.24
  6. Step 6: Final answer
    x = 557,658.34

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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.