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Finding the Fourth Proportional to 532,001.20, 798,001.80 and 265,802.80

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Solution

The fourth proportional to 532,001.20, 798,001.80 and 265,802.80 is: 398,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,001.20 : 798,001.80 = 265,802.80 : x
  2. Step 2: Convert to fraction form
    532,001.20/798,001.80 = 265,802.80/x
  3. Step 3: Cross multiply
    532,001.20x = 798,001.80 × 265,802.80
  4. Step 4: Simplify right side
    532,001.20x = 212,111,112,845.04
  5. Step 5: Solve for x
    x = 212,111,112,845.04/532,001.20
  6. Step 6: Final answer
    x = 398,704.20

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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.