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Finding the Fourth Proportional to 607,225.80, 911,097.90 and 291,520.20

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Solution

The fourth proportional to 607,225.80, 911,097.90 and 291,520.20 is: 437,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,225.80 : 911,097.90 = 291,520.20 : x
  2. Step 2: Convert to fraction form
    607,225.80/911,097.90 = 291,520.20/x
  3. Step 3: Cross multiply
    607,225.80x = 911,097.90 × 291,520.20
  4. Step 4: Simplify right side
    607,225.80x = 265,603,442,027.58
  5. Step 5: Solve for x
    x = 265,603,442,027.58/607,225.80
  6. Step 6: Final answer
    x = 437,404.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.