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Finding the Fourth Proportional to 526,646.14, 726,771.30 and 297,251.72

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Solution

The fourth proportional to 526,646.14, 726,771.30 and 297,251.72 is: 410,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,646.14 : 726,771.30 = 297,251.72 : x
  2. Step 2: Convert to fraction form
    526,646.14/726,771.30 = 297,251.72/x
  3. Step 3: Cross multiply
    526,646.14x = 726,771.30 × 297,251.72
  4. Step 4: Simplify right side
    526,646.14x = 216,034,018,971.64
  5. Step 5: Solve for x
    x = 216,034,018,971.64/526,646.14
  6. Step 6: Final answer
    x = 410,207.16

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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.