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Finding the Fourth Proportional to 237,465.52, 327,702.90 and 128,570.98

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Solution

The fourth proportional to 237,465.52, 327,702.90 and 128,570.98 is: 177,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,465.52 : 327,702.90 = 128,570.98 : x
  2. Step 2: Convert to fraction form
    237,465.52/327,702.90 = 128,570.98/x
  3. Step 3: Cross multiply
    237,465.52x = 327,702.90 × 128,570.98
  4. Step 4: Simplify right side
    237,465.52x = 42,133,083,001.84
  5. Step 5: Solve for x
    x = 42,133,083,001.84/237,465.52
  6. Step 6: Final answer
    x = 177,428.21

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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.