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Finding the Fourth Proportional to 895,249.80, 1,344,429.90 and 475,345.80

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Solution

The fourth proportional to 895,249.80, 1,344,429.90 and 475,345.80 is: 713,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,249.80 : 1,344,429.90 = 475,345.80 : x
  2. Step 2: Convert to fraction form
    895,249.80/1,344,429.90 = 475,345.80/x
  3. Step 3: Cross multiply
    895,249.80x = 1,344,429.90 × 475,345.80
  4. Step 4: Simplify right side
    895,249.80x = 639,069,106,359.42
  5. Step 5: Solve for x
    x = 639,069,106,359.42/895,249.80
  6. Step 6: Final answer
    x = 713,844.46

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Double scale
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Similar ratio
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1.5x scale

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.