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Finding the Fourth Proportional to 323,280,449.60, 484,920,674.40 and 194,033,998.40

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Solution

The fourth proportional to 323,280,449.60, 484,920,674.40 and 194,033,998.40 is: 291,050,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,280,449.60 : 484,920,674.40 = 194,033,998.40 : x
  2. Step 2: Convert to fraction form
    323,280,449.60/484,920,674.40 = 194,033,998.40/x
  3. Step 3: Cross multiply
    323,280,449.60x = 484,920,674.40 × 194,033,998.40
  4. Step 4: Simplify right side
    323,280,449.60x = 94,091,097,360,656,512
  5. Step 5: Solve for x
    x = 94,091,097,360,656,512/323,280,449.60
  6. Step 6: Final answer
    x = 291,050,997.60

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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.