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Finding the Fourth Proportional to 472,901.80, 709,352.70 and 367,148.20

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Solution

The fourth proportional to 472,901.80, 709,352.70 and 367,148.20 is: 550,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,901.80 : 709,352.70 = 367,148.20 : x
  2. Step 2: Convert to fraction form
    472,901.80/709,352.70 = 367,148.20/x
  3. Step 3: Cross multiply
    472,901.80x = 709,352.70 × 367,148.20
  4. Step 4: Simplify right side
    472,901.80x = 260,437,566,970.14
  5. Step 5: Solve for x
    x = 260,437,566,970.14/472,901.80
  6. Step 6: Final answer
    x = 550,722.30

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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.