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Finding the Fourth Proportional to 502,386.01, 693,300.57 and 272,947.84

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Solution

The fourth proportional to 502,386.01, 693,300.57 and 272,947.84 is: 376,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,386.01 : 693,300.57 = 272,947.84 : x
  2. Step 2: Convert to fraction form
    502,386.01/693,300.57 = 272,947.84/x
  3. Step 3: Cross multiply
    502,386.01x = 693,300.57 × 272,947.84
  4. Step 4: Simplify right side
    502,386.01x = 189,234,894,195.28
  5. Step 5: Solve for x
    x = 189,234,894,195.28/502,386.01
  6. Step 6: Final answer
    x = 376,672.30

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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.