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Finding the Fourth Proportional to 267,547.50, 369,215.55 and 154,370.25

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Solution

The fourth proportional to 267,547.50, 369,215.55 and 154,370.25 is: 213,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,547.50 : 369,215.55 = 154,370.25 : x
  2. Step 2: Convert to fraction form
    267,547.50/369,215.55 = 154,370.25/x
  3. Step 3: Cross multiply
    267,547.50x = 369,215.55 × 154,370.25
  4. Step 4: Simplify right side
    267,547.50x = 56,995,896,757.39
  5. Step 5: Solve for x
    x = 56,995,896,757.39/267,547.50
  6. Step 6: Final answer
    x = 213,030.95

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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.