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Finding the Fourth Proportional to 918,097.40, 1,374,035.70 and 918,097.40

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Solution

The fourth proportional to 918,097.40, 1,374,035.70 and 918,097.40 is: 1,374,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,097.40 : 1,374,035.70 = 918,097.40 : x
  2. Step 2: Convert to fraction form
    918,097.40/1,374,035.70 = 918,097.40/x
  3. Step 3: Cross multiply
    918,097.40x = 1,374,035.70 × 918,097.40
  4. Step 4: Simplify right side
    918,097.40x = 1,261,498,603,677.18
  5. Step 5: Solve for x
    x = 1,261,498,603,677.18/918,097.40
  6. Step 6: Final answer
    x = 1,374,035.70

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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.