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Finding the Fourth Proportional to 647,555.92, 894,191.16 and 406,253.32

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Solution

The fourth proportional to 647,555.92, 894,191.16 and 406,253.32 is: 560,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,555.92 : 894,191.16 = 406,253.32 : x
  2. Step 2: Convert to fraction form
    647,555.92/894,191.16 = 406,253.32/x
  3. Step 3: Cross multiply
    647,555.92x = 894,191.16 × 406,253.32
  4. Step 4: Simplify right side
    647,555.92x = 363,268,127,464.65
  5. Step 5: Solve for x
    x = 363,268,127,464.65/647,555.92
  6. Step 6: Final answer
    x = 560,983.41

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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.