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Finding the Fourth Proportional to 467,521.20, 701,281.80 and 290,228.40

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Solution

The fourth proportional to 467,521.20, 701,281.80 and 290,228.40 is: 435,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,521.20 : 701,281.80 = 290,228.40 : x
  2. Step 2: Convert to fraction form
    467,521.20/701,281.80 = 290,228.40/x
  3. Step 3: Cross multiply
    467,521.20x = 701,281.80 × 290,228.40
  4. Step 4: Simplify right side
    467,521.20x = 203,531,894,763.12
  5. Step 5: Solve for x
    x = 203,531,894,763.12/467,521.20
  6. Step 6: Final answer
    x = 435,342.60

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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.