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Finding the Fourth Proportional to 532,632.80, 798,949.20 and 484,421.60

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Solution

The fourth proportional to 532,632.80, 798,949.20 and 484,421.60 is: 726,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,632.80 : 798,949.20 = 484,421.60 : x
  2. Step 2: Convert to fraction form
    532,632.80/798,949.20 = 484,421.60/x
  3. Step 3: Cross multiply
    532,632.80x = 798,949.20 × 484,421.60
  4. Step 4: Simplify right side
    532,632.80x = 387,028,249,782.72
  5. Step 5: Solve for x
    x = 387,028,249,782.72/532,632.80
  6. Step 6: Final answer
    x = 726,632.40

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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.