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Finding the Fourth Proportional to 403,398.20, 604,175.70 and 237,510.20

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Solution

The fourth proportional to 403,398.20, 604,175.70 and 237,510.20 is: 355,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,398.20 : 604,175.70 = 237,510.20 : x
  2. Step 2: Convert to fraction form
    403,398.20/604,175.70 = 237,510.20/x
  3. Step 3: Cross multiply
    403,398.20x = 604,175.70 × 237,510.20
  4. Step 4: Simplify right side
    403,398.20x = 143,497,891,342.14
  5. Step 5: Solve for x
    x = 143,497,891,342.14/403,398.20
  6. Step 6: Final answer
    x = 355,722.69

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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.