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Finding the Fourth Proportional to 918,117.42, 1,377,066.42 and 244,248

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Solution

The fourth proportional to 918,117.42, 1,377,066.42 and 244,248 is: 366,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,117.42 : 1,377,066.42 = 244,248 : x
  2. Step 2: Convert to fraction form
    918,117.42/1,377,066.42 = 244,248/x
  3. Step 3: Cross multiply
    918,117.42x = 1,377,066.42 × 244,248
  4. Step 4: Simplify right side
    918,117.42x = 336,345,718,952.16
  5. Step 5: Solve for x
    x = 336,345,718,952.16/918,117.42
  6. Step 6: Final answer
    x = 366,342.81

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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.