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Finding the Fourth Proportional to 295,299,201.60, 442,948,802.40 and 79,888,449.60

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Solution

The fourth proportional to 295,299,201.60, 442,948,802.40 and 79,888,449.60 is: 119,832,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,299,201.60 : 442,948,802.40 = 79,888,449.60 : x
  2. Step 2: Convert to fraction form
    295,299,201.60/442,948,802.40 = 79,888,449.60/x
  3. Step 3: Cross multiply
    295,299,201.60x = 442,948,802.40 × 79,888,449.60
  4. Step 4: Simplify right side
    295,299,201.60x = 35,386,493,075,912,756
  5. Step 5: Solve for x
    x = 35,386,493,075,912,756/295,299,201.60
  6. Step 6: Final answer
    x = 119,832,674.40

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1.5x scale

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.