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Finding the Fourth Proportional to 649,428.60, 896,221.62 and 362,967.24

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Solution

The fourth proportional to 649,428.60, 896,221.62 and 362,967.24 is: 500,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,428.60 : 896,221.62 = 362,967.24 : x
  2. Step 2: Convert to fraction form
    649,428.60/896,221.62 = 362,967.24/x
  3. Step 3: Cross multiply
    649,428.60x = 896,221.62 × 362,967.24
  4. Step 4: Simplify right side
    649,428.60x = 325,299,087,839.73
  5. Step 5: Solve for x
    x = 325,299,087,839.73/649,428.60
  6. Step 6: Final answer
    x = 500,900.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.