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Finding the Fourth Proportional to 334,545.60, 501,429.60 and 134,767.20

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Solution

The fourth proportional to 334,545.60, 501,429.60 and 134,767.20 is: 201,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,545.60 : 501,429.60 = 134,767.20 : x
  2. Step 2: Convert to fraction form
    334,545.60/501,429.60 = 134,767.20/x
  3. Step 3: Cross multiply
    334,545.60x = 501,429.60 × 134,767.20
  4. Step 4: Simplify right side
    334,545.60x = 67,576,263,189.12
  5. Step 5: Solve for x
    x = 67,576,263,189.12/334,545.60
  6. Step 6: Final answer
    x = 201,994.18

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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.