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Finding the Fourth Proportional to 435,999.60, 653,135.40 and 384,044.40

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Solution

The fourth proportional to 435,999.60, 653,135.40 and 384,044.40 is: 575,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,999.60 : 653,135.40 = 384,044.40 : x
  2. Step 2: Convert to fraction form
    435,999.60/653,135.40 = 384,044.40/x
  3. Step 3: Cross multiply
    435,999.60x = 653,135.40 × 384,044.40
  4. Step 4: Simplify right side
    435,999.60x = 250,832,992,811.76
  5. Step 5: Solve for x
    x = 250,832,992,811.76/435,999.60
  6. Step 6: Final answer
    x = 575,305.56

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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.