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Finding the Fourth Proportional to 502,347.73, 693,237.12 and 272,903.20

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Solution

The fourth proportional to 502,347.73, 693,237.12 and 272,903.20 is: 376,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,347.73 : 693,237.12 = 272,903.20 : x
  2. Step 2: Convert to fraction form
    502,347.73/693,237.12 = 272,903.20/x
  3. Step 3: Cross multiply
    502,347.73x = 693,237.12 × 272,903.20
  4. Step 4: Simplify right side
    502,347.73x = 189,186,628,406.78
  5. Step 5: Solve for x
    x = 189,186,628,406.78/502,347.73
  6. Step 6: Final answer
    x = 376,604.92

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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.