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Finding the Fourth Proportional to 298,656,153.80, 447,984,230.70 and 94,246,886.60

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Solution

The fourth proportional to 298,656,153.80, 447,984,230.70 and 94,246,886.60 is: 141,370,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,656,153.80 : 447,984,230.70 = 94,246,886.60 : x
  2. Step 2: Convert to fraction form
    298,656,153.80/447,984,230.70 = 94,246,886.60/x
  3. Step 3: Cross multiply
    298,656,153.80x = 447,984,230.70 × 94,246,886.60
  4. Step 4: Simplify right side
    298,656,153.80x = 42,221,118,989,371,136
  5. Step 5: Solve for x
    x = 42,221,118,989,371,136/298,656,153.80
  6. Step 6: Final answer
    x = 141,370,329.90

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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.