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Finding the Fourth Proportional to 514,843.92, 710,368.56 and 310,927.92

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Solution

The fourth proportional to 514,843.92, 710,368.56 and 310,927.92 is: 429,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,843.92 : 710,368.56 = 310,927.92 : x
  2. Step 2: Convert to fraction form
    514,843.92/710,368.56 = 310,927.92/x
  3. Step 3: Cross multiply
    514,843.92x = 710,368.56 × 310,927.92
  4. Step 4: Simplify right side
    514,843.92x = 220,873,418,794.20
  5. Step 5: Solve for x
    x = 220,873,418,794.20/514,843.92
  6. Step 6: Final answer
    x = 429,010.44

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1.5x scale

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.