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Finding the Fourth Proportional to 407,381.34, 562,253.85 and 237,615.51

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Solution

The fourth proportional to 407,381.34, 562,253.85 and 237,615.51 is: 327,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,381.34 : 562,253.85 = 237,615.51 : x
  2. Step 2: Convert to fraction form
    407,381.34/562,253.85 = 237,615.51/x
  3. Step 3: Cross multiply
    407,381.34x = 562,253.85 × 237,615.51
  4. Step 4: Simplify right side
    407,381.34x = 133,600,235,317.21
  5. Step 5: Solve for x
    x = 133,600,235,317.21/407,381.34
  6. Step 6: Final answer
    x = 327,948.83

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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.