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Finding the Fourth Proportional to 895,407.68, 1,343,578.08 and 396,655.04

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Solution

The fourth proportional to 895,407.68, 1,343,578.08 and 396,655.04 is: 595,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,407.68 : 1,343,578.08 = 396,655.04 : x
  2. Step 2: Convert to fraction form
    895,407.68/1,343,578.08 = 396,655.04/x
  3. Step 3: Cross multiply
    895,407.68x = 1,343,578.08 × 396,655.04
  4. Step 4: Simplify right side
    895,407.68x = 532,937,017,065.52
  5. Step 5: Solve for x
    x = 532,937,017,065.52/895,407.68
  6. Step 6: Final answer
    x = 595,189.24

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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.