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Finding the Fourth Proportional to 722,402.02, 996,950.55 and 435,917.26

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Solution

The fourth proportional to 722,402.02, 996,950.55 and 435,917.26 is: 601,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,402.02 : 996,950.55 = 435,917.26 : x
  2. Step 2: Convert to fraction form
    722,402.02/996,950.55 = 435,917.26/x
  3. Step 3: Cross multiply
    722,402.02x = 996,950.55 × 435,917.26
  4. Step 4: Simplify right side
    722,402.02x = 434,587,952,111.49
  5. Step 5: Solve for x
    x = 434,587,952,111.49/722,402.02
  6. Step 6: Final answer
    x = 601,587.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.