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Finding the Fourth Proportional to 656,750.57, 906,280.59 and 370,252.20

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Solution

The fourth proportional to 656,750.57, 906,280.59 and 370,252.20 is: 510,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,750.57 : 906,280.59 = 370,252.20 : x
  2. Step 2: Convert to fraction form
    656,750.57/906,280.59 = 370,252.20/x
  3. Step 3: Cross multiply
    656,750.57x = 906,280.59 × 370,252.20
  4. Step 4: Simplify right side
    656,750.57x = 335,552,382,264.80
  5. Step 5: Solve for x
    x = 335,552,382,264.80/656,750.57
  6. Step 6: Final answer
    x = 510,928.20

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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.