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Finding the Fourth Proportional to 572,731.20, 859,096.80 and 360,154.80

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Solution

The fourth proportional to 572,731.20, 859,096.80 and 360,154.80 is: 540,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,731.20 : 859,096.80 = 360,154.80 : x
  2. Step 2: Convert to fraction form
    572,731.20/859,096.80 = 360,154.80/x
  3. Step 3: Cross multiply
    572,731.20x = 859,096.80 × 360,154.80
  4. Step 4: Simplify right side
    572,731.20x = 309,407,836,184.64
  5. Step 5: Solve for x
    x = 309,407,836,184.64/572,731.20
  6. Step 6: Final answer
    x = 540,232.20

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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.