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Finding the Fourth Proportional to 633,407.60, 874,116.66 and 361,470.08

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Solution

The fourth proportional to 633,407.60, 874,116.66 and 361,470.08 is: 498,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,407.60 : 874,116.66 = 361,470.08 : x
  2. Step 2: Convert to fraction form
    633,407.60/874,116.66 = 361,470.08/x
  3. Step 3: Cross multiply
    633,407.60x = 874,116.66 × 361,470.08
  4. Step 4: Simplify right side
    633,407.60x = 315,967,019,019.53
  5. Step 5: Solve for x
    x = 315,967,019,019.53/633,407.60
  6. Step 6: Final answer
    x = 498,836.80

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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.