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Finding the Fourth Proportional to 304,545.42, 420,317.69 and 175,459.29

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Solution

The fourth proportional to 304,545.42, 420,317.69 and 175,459.29 is: 242,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,545.42 : 420,317.69 = 175,459.29 : x
  2. Step 2: Convert to fraction form
    304,545.42/420,317.69 = 175,459.29/x
  3. Step 3: Cross multiply
    304,545.42x = 420,317.69 × 175,459.29
  4. Step 4: Simplify right side
    304,545.42x = 73,748,642,584.54
  5. Step 5: Solve for x
    x = 73,748,642,584.54/304,545.42
  6. Step 6: Final answer
    x = 242,159.75

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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.