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Finding the Fourth Proportional to 776,351, 1,164,527.04 and 215,386.04

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Solution

The fourth proportional to 776,351, 1,164,527.04 and 215,386.04 is: 323,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,351 : 1,164,527.04 = 215,386.04 : x
  2. Step 2: Convert to fraction form
    776,351/1,164,527.04 = 215,386.04/x
  3. Step 3: Cross multiply
    776,351x = 1,164,527.04 × 215,386.04
  4. Step 4: Simplify right side
    776,351x = 250,822,867,618.52
  5. Step 5: Solve for x
    x = 250,822,867,618.52/776,351
  6. Step 6: Final answer
    x = 323,079.21

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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.