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Finding the Fourth Proportional to 329,671,200.80, 494,506,801.20 and 84,027,360.80

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Solution

The fourth proportional to 329,671,200.80, 494,506,801.20 and 84,027,360.80 is: 126,041,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,671,200.80 : 494,506,801.20 = 84,027,360.80 : x
  2. Step 2: Convert to fraction form
    329,671,200.80/494,506,801.20 = 84,027,360.80/x
  3. Step 3: Cross multiply
    329,671,200.80x = 494,506,801.20 × 84,027,360.80
  4. Step 4: Simplify right side
    329,671,200.80x = 41,552,101,402,486,272
  5. Step 5: Solve for x
    x = 41,552,101,402,486,272/329,671,200.80
  6. Step 6: Final answer
    x = 126,041,041.20

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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.