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Finding the Fourth Proportional to 606,177.15, 908,084.75 and 368,931.39

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Solution

The fourth proportional to 606,177.15, 908,084.75 and 368,931.39 is: 552,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,177.15 : 908,084.75 = 368,931.39 : x
  2. Step 2: Convert to fraction form
    606,177.15/908,084.75 = 368,931.39/x
  3. Step 3: Cross multiply
    606,177.15x = 908,084.75 × 368,931.39
  4. Step 4: Simplify right side
    606,177.15x = 335,020,967,210.65
  5. Step 5: Solve for x
    x = 335,020,967,210.65/606,177.15
  6. Step 6: Final answer
    x = 552,678.32

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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.