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Finding the Fourth Proportional to 610,925.14, 916,019.43 and 273,904.84

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Solution

The fourth proportional to 610,925.14, 916,019.43 and 273,904.84 is: 410,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,925.14 : 916,019.43 = 273,904.84 : x
  2. Step 2: Convert to fraction form
    610,925.14/916,019.43 = 273,904.84/x
  3. Step 3: Cross multiply
    610,925.14x = 916,019.43 × 273,904.84
  4. Step 4: Simplify right side
    610,925.14x = 250,902,155,411.04
  5. Step 5: Solve for x
    x = 250,902,155,411.04/610,925.14
  6. Step 6: Final answer
    x = 410,692.14

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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.