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Finding the Fourth Proportional to 374,211.89, 516,265.81 and 230,722.82

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Solution

The fourth proportional to 374,211.89, 516,265.81 and 230,722.82 is: 318,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,211.89 : 516,265.81 = 230,722.82 : x
  2. Step 2: Convert to fraction form
    374,211.89/516,265.81 = 230,722.82/x
  3. Step 3: Cross multiply
    374,211.89x = 516,265.81 × 230,722.82
  4. Step 4: Simplify right side
    374,211.89x = 119,114,300,394.65
  5. Step 5: Solve for x
    x = 119,114,300,394.65/374,211.89
  6. Step 6: Final answer
    x = 318,307.10

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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.