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Finding the Fourth Proportional to 472,077.55, 708,411.58 and 191,594.80

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Solution

The fourth proportional to 472,077.55, 708,411.58 and 191,594.80 is: 287,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,077.55 : 708,411.58 = 191,594.80 : x
  2. Step 2: Convert to fraction form
    472,077.55/708,411.58 = 191,594.80/x
  3. Step 3: Cross multiply
    472,077.55x = 708,411.58 × 191,594.80
  4. Step 4: Simplify right side
    472,077.55x = 135,727,974,987.78
  5. Step 5: Solve for x
    x = 135,727,974,987.78/472,077.55
  6. Step 6: Final answer
    x = 287,512.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.