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Finding the Fourth Proportional to 556,671.52, 768,208.80 and 302,023.36

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Solution

The fourth proportional to 556,671.52, 768,208.80 and 302,023.36 is: 416,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,671.52 : 768,208.80 = 302,023.36 : x
  2. Step 2: Convert to fraction form
    556,671.52/768,208.80 = 302,023.36/x
  3. Step 3: Cross multiply
    556,671.52x = 768,208.80 × 302,023.36
  4. Step 4: Simplify right side
    556,671.52x = 232,017,002,957.57
  5. Step 5: Solve for x
    x = 232,017,002,957.57/556,671.52
  6. Step 6: Final answer
    x = 416,793.38

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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.