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Finding the Fourth Proportional to 292,263.60, 437,520.60 and 260,770.80

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Solution

The fourth proportional to 292,263.60, 437,520.60 and 260,770.80 is: 390,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,263.60 : 437,520.60 = 260,770.80 : x
  2. Step 2: Convert to fraction form
    292,263.60/437,520.60 = 260,770.80/x
  3. Step 3: Cross multiply
    292,263.60x = 437,520.60 × 260,770.80
  4. Step 4: Simplify right side
    292,263.60x = 114,092,596,878.48
  5. Step 5: Solve for x
    x = 114,092,596,878.48/292,263.60
  6. Step 6: Final answer
    x = 390,375.66

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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.