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Finding the Fourth Proportional to 283,573,751.60, 424,510,321.80 and 168,499,060.40

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Solution

The fourth proportional to 283,573,751.60, 424,510,321.80 and 168,499,060.40 is: 252,243,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,573,751.60 : 424,510,321.80 = 168,499,060.40 : x
  2. Step 2: Convert to fraction form
    283,573,751.60/424,510,321.80 = 168,499,060.40/x
  3. Step 3: Cross multiply
    283,573,751.60x = 424,510,321.80 × 168,499,060.40
  4. Step 4: Simplify right side
    283,573,751.60x = 71,529,590,353,401,640
  5. Step 5: Solve for x
    x = 71,529,590,353,401,640/283,573,751.60
  6. Step 6: Final answer
    x = 252,243,340.40

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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.