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Finding the Fourth Proportional to 501,853.47, 692,558.45 and 272,410.61

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Solution

The fourth proportional to 501,853.47, 692,558.45 and 272,410.61 is: 375,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,853.47 : 692,558.45 = 272,410.61 : x
  2. Step 2: Convert to fraction form
    501,853.47/692,558.45 = 272,410.61/x
  3. Step 3: Cross multiply
    501,853.47x = 692,558.45 × 272,410.61
  4. Step 4: Simplify right side
    501,853.47x = 188,660,265,000.31
  5. Step 5: Solve for x
    x = 188,660,265,000.31/501,853.47
  6. Step 6: Final answer
    x = 375,926.99

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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.