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Finding the Fourth Proportional to 200,596,502.20, 280,261,146.80 and 200,596,502.20

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Solution

The fourth proportional to 200,596,502.20, 280,261,146.80 and 200,596,502.20 is: 280,261,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,596,502.20 : 280,261,146.80 = 200,596,502.20 : x
  2. Step 2: Convert to fraction form
    200,596,502.20/280,261,146.80 = 200,596,502.20/x
  3. Step 3: Cross multiply
    200,596,502.20x = 280,261,146.80 × 200,596,502.20
  4. Step 4: Simplify right side
    200,596,502.20x = 56,219,405,750,640,720
  5. Step 5: Solve for x
    x = 56,219,405,750,640,720/200,596,502.20
  6. Step 6: Final answer
    x = 280,261,146.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.