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Finding the Fourth Proportional to 238,152.92, 358,655.01 and 216,895.28

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Solution

The fourth proportional to 238,152.92, 358,655.01 and 216,895.28 is: 326,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,152.92 : 358,655.01 = 216,895.28 : x
  2. Step 2: Convert to fraction form
    238,152.92/358,655.01 = 216,895.28/x
  3. Step 3: Cross multiply
    238,152.92x = 358,655.01 × 216,895.28
  4. Step 4: Simplify right side
    238,152.92x = 77,790,578,817.35
  5. Step 5: Solve for x
    x = 77,790,578,817.35/238,152.92
  6. Step 6: Final answer
    x = 326,641.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.