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Finding the Fourth Proportional to 403,593,432.80, 604,433,555.40 and 403,593,432.80

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Solution

The fourth proportional to 403,593,432.80, 604,433,555.40 and 403,593,432.80 is: 604,433,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,593,432.80 : 604,433,555.40 = 403,593,432.80 : x
  2. Step 2: Convert to fraction form
    403,593,432.80/604,433,555.40 = 403,593,432.80/x
  3. Step 3: Cross multiply
    403,593,432.80x = 604,433,555.40 × 403,593,432.80
  4. Step 4: Simplify right side
    403,593,432.80x = 243,945,413,523,394,976
  5. Step 5: Solve for x
    x = 243,945,413,523,394,976/403,593,432.80
  6. Step 6: Final answer
    x = 604,433,555.40

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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.