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Finding the Fourth Proportional to 497,451.06, 686,500.83 and 282,627.52

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Solution

The fourth proportional to 497,451.06, 686,500.83 and 282,627.52 is: 390,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,451.06 : 686,500.83 = 282,627.52 : x
  2. Step 2: Convert to fraction form
    497,451.06/686,500.83 = 282,627.52/x
  3. Step 3: Cross multiply
    497,451.06x = 686,500.83 × 282,627.52
  4. Step 4: Simplify right side
    497,451.06x = 194,024,027,060.84
  5. Step 5: Solve for x
    x = 194,024,027,060.84/497,451.06
  6. Step 6: Final answer
    x = 390,036.41

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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.