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Finding the Fourth Proportional to 284,156,988.60, 426,235,482.90 and 284,156,988.60

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Solution

The fourth proportional to 284,156,988.60, 426,235,482.90 and 284,156,988.60 is: 426,235,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,156,988.60 : 426,235,482.90 = 284,156,988.60 : x
  2. Step 2: Convert to fraction form
    284,156,988.60/426,235,482.90 = 284,156,988.60/x
  3. Step 3: Cross multiply
    284,156,988.60x = 426,235,482.90 × 284,156,988.60
  4. Step 4: Simplify right side
    284,156,988.60x = 121,117,791,255,330,800
  5. Step 5: Solve for x
    x = 121,117,791,255,330,800/284,156,988.60
  6. Step 6: Final answer
    x = 426,235,482.90

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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.