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Finding the Fourth Proportional to 341,497.60, 512,323.20 and 104,851.20

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Solution

The fourth proportional to 341,497.60, 512,323.20 and 104,851.20 is: 157,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,497.60 : 512,323.20 = 104,851.20 : x
  2. Step 2: Convert to fraction form
    341,497.60/512,323.20 = 104,851.20/x
  3. Step 3: Cross multiply
    341,497.60x = 512,323.20 × 104,851.20
  4. Step 4: Simplify right side
    341,497.60x = 53,717,702,307.84
  5. Step 5: Solve for x
    x = 53,717,702,307.84/341,497.60
  6. Step 6: Final answer
    x = 157,300.38

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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.