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Finding the Fourth Proportional to 616,639.68, 924,959.94 and 167,360.64

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Solution

The fourth proportional to 616,639.68, 924,959.94 and 167,360.64 is: 251,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,639.68 : 924,959.94 = 167,360.64 : x
  2. Step 2: Convert to fraction form
    616,639.68/924,959.94 = 167,360.64/x
  3. Step 3: Cross multiply
    616,639.68x = 924,959.94 × 167,360.64
  4. Step 4: Simplify right side
    616,639.68x = 154,801,887,532.76
  5. Step 5: Solve for x
    x = 154,801,887,532.76/616,639.68
  6. Step 6: Final answer
    x = 251,041.07

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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.