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Finding the Fourth Proportional to 632,199.60, 872,519.04 and 360,365.76

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Solution

The fourth proportional to 632,199.60, 872,519.04 and 360,365.76 is: 497,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,199.60 : 872,519.04 = 360,365.76 : x
  2. Step 2: Convert to fraction form
    632,199.60/872,519.04 = 360,365.76/x
  3. Step 3: Cross multiply
    632,199.60x = 872,519.04 × 360,365.76
  4. Step 4: Simplify right side
    632,199.60x = 314,425,986,964.07
  5. Step 5: Solve for x
    x = 314,425,986,964.07/632,199.60
  6. Step 6: Final answer
    x = 497,352.40

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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.