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Finding the Fourth Proportional to 932,205.40, 1,398,653.70 and 897,645.40

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Solution

The fourth proportional to 932,205.40, 1,398,653.70 and 897,645.40 is: 1,346,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,205.40 : 1,398,653.70 = 897,645.40 : x
  2. Step 2: Convert to fraction form
    932,205.40/1,398,653.70 = 897,645.40/x
  3. Step 3: Cross multiply
    932,205.40x = 1,398,653.70 × 897,645.40
  4. Step 4: Simplify right side
    932,205.40x = 1,255,495,059,997.98
  5. Step 5: Solve for x
    x = 1,255,495,059,997.98/932,205.40
  6. Step 6: Final answer
    x = 1,346,800.89

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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.