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Finding the Fourth Proportional to 297,893,643.60, 446,840,465.40 and 93,421,390.80

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Solution

The fourth proportional to 297,893,643.60, 446,840,465.40 and 93,421,390.80 is: 140,132,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,893,643.60 : 446,840,465.40 = 93,421,390.80 : x
  2. Step 2: Convert to fraction form
    297,893,643.60/446,840,465.40 = 93,421,390.80/x
  3. Step 3: Cross multiply
    297,893,643.60x = 446,840,465.40 × 93,421,390.80
  4. Step 4: Simplify right side
    297,893,643.60x = 41,744,457,743,387,272
  5. Step 5: Solve for x
    x = 41,744,457,743,387,272/297,893,643.60
  6. Step 6: Final answer
    x = 140,132,086.20

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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.