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Finding the Fourth Proportional to 693,379.60, 957,308.52 and 566,360.08

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Solution

The fourth proportional to 693,379.60, 957,308.52 and 566,360.08 is: 781,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,379.60 : 957,308.52 = 566,360.08 : x
  2. Step 2: Convert to fraction form
    693,379.60/957,308.52 = 566,360.08/x
  3. Step 3: Cross multiply
    693,379.60x = 957,308.52 × 566,360.08
  4. Step 4: Simplify right side
    693,379.60x = 542,181,329,971.88
  5. Step 5: Solve for x
    x = 542,181,329,971.88/693,379.60
  6. Step 6: Final answer
    x = 781,940.12

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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.