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Finding the Fourth Proportional to 904,617, 1,248,555.96 and 522,591.84

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Solution

The fourth proportional to 904,617, 1,248,555.96 and 522,591.84 is: 721,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,617 : 1,248,555.96 = 522,591.84 : x
  2. Step 2: Convert to fraction form
    904,617/1,248,555.96 = 522,591.84/x
  3. Step 3: Cross multiply
    904,617x = 1,248,555.96 × 522,591.84
  4. Step 4: Simplify right side
    904,617x = 652,485,156,479.37
  5. Step 5: Solve for x
    x = 652,485,156,479.37/904,617
  6. Step 6: Final answer
    x = 721,283.32

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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.