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Finding the Fourth Proportional to 957,807.20, 1,436,509.20 and 484,047.20

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Solution

The fourth proportional to 957,807.20, 1,436,509.20 and 484,047.20 is: 725,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,807.20 : 1,436,509.20 = 484,047.20 : x
  2. Step 2: Convert to fraction form
    957,807.20/1,436,509.20 = 484,047.20/x
  3. Step 3: Cross multiply
    957,807.20x = 1,436,509.20 × 484,047.20
  4. Step 4: Simplify right side
    957,807.20x = 695,338,256,034.24
  5. Step 5: Solve for x
    x = 695,338,256,034.24/957,807.20
  6. Step 6: Final answer
    x = 725,968.92

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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.