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Finding the Fourth Proportional to 526,329.48, 726,290.82 and 296,874.12

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Solution

The fourth proportional to 526,329.48, 726,290.82 and 296,874.12 is: 409,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,329.48 : 726,290.82 = 296,874.12 : x
  2. Step 2: Convert to fraction form
    526,329.48/726,290.82 = 296,874.12/x
  3. Step 3: Cross multiply
    526,329.48x = 726,290.82 × 296,874.12
  4. Step 4: Simplify right side
    526,329.48x = 215,616,948,051.58
  5. Step 5: Solve for x
    x = 215,616,948,051.58/526,329.48
  6. Step 6: Final answer
    x = 409,661.55

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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.