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Finding the Fourth Proportional to 649,147.53, 895,841.87 and 362,699.13

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Solution

The fourth proportional to 649,147.53, 895,841.87 and 362,699.13 is: 500,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,147.53 : 895,841.87 = 362,699.13 : x
  2. Step 2: Convert to fraction form
    649,147.53/895,841.87 = 362,699.13/x
  3. Step 3: Cross multiply
    649,147.53x = 895,841.87 × 362,699.13
  4. Step 4: Simplify right side
    649,147.53x = 324,921,065,053.08
  5. Step 5: Solve for x
    x = 324,921,065,053.08/649,147.53
  6. Step 6: Final answer
    x = 500,535.01

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Double scale
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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.