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Finding the Fourth Proportional to 540,101.92, 745,326.24 and 298,345.52

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Solution

The fourth proportional to 540,101.92, 745,326.24 and 298,345.52 is: 411,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,101.92 : 745,326.24 = 298,345.52 : x
  2. Step 2: Convert to fraction form
    540,101.92/745,326.24 = 298,345.52/x
  3. Step 3: Cross multiply
    540,101.92x = 745,326.24 × 298,345.52
  4. Step 4: Simplify right side
    540,101.92x = 222,364,744,642.45
  5. Step 5: Solve for x
    x = 222,364,744,642.45/540,101.92
  6. Step 6: Final answer
    x = 411,708.86

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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.