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Finding the Fourth Proportional to 5,574,616.80, 8,361,925.20 and 4,314,904.80

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Solution

The fourth proportional to 5,574,616.80, 8,361,925.20 and 4,314,904.80 is: 6,472,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574,616.80 : 8,361,925.20 = 4,314,904.80 : x
  2. Step 2: Convert to fraction form
    5,574,616.80/8,361,925.20 = 4,314,904.80/x
  3. Step 3: Cross multiply
    5,574,616.80x = 8,361,925.20 × 4,314,904.80
  4. Step 4: Simplify right side
    5,574,616.80x = 36,080,911,182,720.96
  5. Step 5: Solve for x
    x = 36,080,911,182,720.96/5,574,616.80
  6. Step 6: Final answer
    x = 6,472,357.20

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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.