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Finding the Fourth Proportional to 527,240.40, 791,200.80 and 290,752.80

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Solution

The fourth proportional to 527,240.40, 791,200.80 and 290,752.80 is: 436,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,240.40 : 791,200.80 = 290,752.80 : x
  2. Step 2: Convert to fraction form
    527,240.40/791,200.80 = 290,752.80/x
  3. Step 3: Cross multiply
    527,240.40x = 791,200.80 × 290,752.80
  4. Step 4: Simplify right side
    527,240.40x = 230,043,847,962.24
  5. Step 5: Solve for x
    x = 230,043,847,962.24/527,240.40
  6. Step 6: Final answer
    x = 436,316.81

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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.