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Finding the Fourth Proportional to 212,573,614.40, 318,293,551.20 and 212,573,614.40

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Solution

The fourth proportional to 212,573,614.40, 318,293,551.20 and 212,573,614.40 is: 318,293,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,573,614.40 : 318,293,551.20 = 212,573,614.40 : x
  2. Step 2: Convert to fraction form
    212,573,614.40/318,293,551.20 = 212,573,614.40/x
  3. Step 3: Cross multiply
    212,573,614.40x = 318,293,551.20 × 212,573,614.40
  4. Step 4: Simplify right side
    212,573,614.40x = 67,660,810,618,795,456
  5. Step 5: Solve for x
    x = 67,660,810,618,795,456/212,573,614.40
  6. Step 6: Final answer
    x = 318,293,551.20

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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.