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Finding the Fourth Proportional to 777,925.50, 1,167,085.17 and 216,960

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Solution

The fourth proportional to 777,925.50, 1,167,085.17 and 216,960 is: 325,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,925.50 : 1,167,085.17 = 216,960 : x
  2. Step 2: Convert to fraction form
    777,925.50/1,167,085.17 = 216,960/x
  3. Step 3: Cross multiply
    777,925.50x = 1,167,085.17 × 216,960
  4. Step 4: Simplify right side
    777,925.50x = 253,210,798,483.20
  5. Step 5: Solve for x
    x = 253,210,798,483.20/777,925.50
  6. Step 6: Final answer
    x = 325,494.92

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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.