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Finding the Fourth Proportional to 238,104.34, 328,583.72 and 130,674.64

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Solution

The fourth proportional to 238,104.34, 328,583.72 and 130,674.64 is: 180,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,104.34 : 328,583.72 = 130,674.64 : x
  2. Step 2: Convert to fraction form
    238,104.34/328,583.72 = 130,674.64/x
  3. Step 3: Cross multiply
    238,104.34x = 328,583.72 × 130,674.64
  4. Step 4: Simplify right side
    238,104.34x = 42,937,559,320.86
  5. Step 5: Solve for x
    x = 42,937,559,320.86/238,104.34
  6. Step 6: Final answer
    x = 180,330.86

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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.