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Finding the Fourth Proportional to 237,709.44, 328,040.28 and 130,280.40

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Solution

The fourth proportional to 237,709.44, 328,040.28 and 130,280.40 is: 179,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,709.44 : 328,040.28 = 130,280.40 : x
  2. Step 2: Convert to fraction form
    237,709.44/328,040.28 = 130,280.40/x
  3. Step 3: Cross multiply
    237,709.44x = 328,040.28 × 130,280.40
  4. Step 4: Simplify right side
    237,709.44x = 42,737,218,894.51
  5. Step 5: Solve for x
    x = 42,737,218,894.51/237,709.44
  6. Step 6: Final answer
    x = 179,787.64

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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.