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Finding the Fourth Proportional to 370,337.42, 555,708.36 and 157,072.16

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Solution

The fourth proportional to 370,337.42, 555,708.36 and 157,072.16 is: 235,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,337.42 : 555,708.36 = 157,072.16 : x
  2. Step 2: Convert to fraction form
    370,337.42/555,708.36 = 157,072.16/x
  3. Step 3: Cross multiply
    370,337.42x = 555,708.36 × 157,072.16
  4. Step 4: Simplify right side
    370,337.42x = 87,286,312,435.26
  5. Step 5: Solve for x
    x = 87,286,312,435.26/370,337.42
  6. Step 6: Final answer
    x = 235,694.01

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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.