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Finding the Fourth Proportional to 649,937.36, 897,037.54 and 435,451.40

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Solution

The fourth proportional to 649,937.36, 897,037.54 and 435,451.40 is: 601,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,937.36 : 897,037.54 = 435,451.40 : x
  2. Step 2: Convert to fraction form
    649,937.36/897,037.54 = 435,451.40/x
  3. Step 3: Cross multiply
    649,937.36x = 897,037.54 × 435,451.40
  4. Step 4: Simplify right side
    649,937.36x = 390,616,252,645.56
  5. Step 5: Solve for x
    x = 390,616,252,645.56/649,937.36
  6. Step 6: Final answer
    x = 601,006.00

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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.