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Finding the Fourth Proportional to 607,245.60, 910,868.40 and 291,626.40

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Solution

The fourth proportional to 607,245.60, 910,868.40 and 291,626.40 is: 437,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,245.60 : 910,868.40 = 291,626.40 : x
  2. Step 2: Convert to fraction form
    607,245.60/910,868.40 = 291,626.40/x
  3. Step 3: Cross multiply
    607,245.60x = 910,868.40 × 291,626.40
  4. Step 4: Simplify right side
    607,245.60x = 265,633,272,365.76
  5. Step 5: Solve for x
    x = 265,633,272,365.76/607,245.60
  6. Step 6: Final answer
    x = 437,439.60

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Similar ratio
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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.