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Finding the Fourth Proportional to 454,527.61, 627,304.88 and 260,995.88

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Solution

The fourth proportional to 454,527.61, 627,304.88 and 260,995.88 is: 360,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,527.61 : 627,304.88 = 260,995.88 : x
  2. Step 2: Convert to fraction form
    454,527.61/627,304.88 = 260,995.88/x
  3. Step 3: Cross multiply
    454,527.61x = 627,304.88 × 260,995.88
  4. Step 4: Simplify right side
    454,527.61x = 163,723,989,183.89
  5. Step 5: Solve for x
    x = 163,723,989,183.89/454,527.61
  6. Step 6: Final answer
    x = 360,206.92

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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.