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Finding the Fourth Proportional to 238,295.55, 328,765.62 and 152,304.87

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Solution

The fourth proportional to 238,295.55, 328,765.62 and 152,304.87 is: 210,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,295.55 : 328,765.62 = 152,304.87 : x
  2. Step 2: Convert to fraction form
    238,295.55/328,765.62 = 152,304.87/x
  3. Step 3: Cross multiply
    238,295.55x = 328,765.62 × 152,304.87
  4. Step 4: Simplify right side
    238,295.55x = 50,072,605,014.57
  5. Step 5: Solve for x
    x = 50,072,605,014.57/238,295.55
  6. Step 6: Final answer
    x = 210,128.16

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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.