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Finding the Fourth Proportional to 284,328,011.20, 425,736,189.60 and 284,328,011.20

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Solution

The fourth proportional to 284,328,011.20, 425,736,189.60 and 284,328,011.20 is: 425,736,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,011.20 : 425,736,189.60 = 284,328,011.20 : x
  2. Step 2: Convert to fraction form
    284,328,011.20/425,736,189.60 = 284,328,011.20/x
  3. Step 3: Cross multiply
    284,328,011.20x = 425,736,189.60 × 284,328,011.20
  4. Step 4: Simplify right side
    284,328,011.20x = 121,048,724,084,834,128
  5. Step 5: Solve for x
    x = 121,048,724,084,834,128/284,328,011.20
  6. Step 6: Final answer
    x = 425,736,189.60

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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.