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Finding the Fourth Proportional to 414,957.52, 572,648.80 and 245,191.28

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Solution

The fourth proportional to 414,957.52, 572,648.80 and 245,191.28 is: 338,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,957.52 : 572,648.80 = 245,191.28 : x
  2. Step 2: Convert to fraction form
    414,957.52/572,648.80 = 245,191.28/x
  3. Step 3: Cross multiply
    414,957.52x = 572,648.80 × 245,191.28
  4. Step 4: Simplify right side
    414,957.52x = 140,408,492,262.46
  5. Step 5: Solve for x
    x = 140,408,492,262.46/414,957.52
  6. Step 6: Final answer
    x = 338,368.35

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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.