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Finding the Fourth Proportional to 356,987.60, 535,197.24 and 176,946.32

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Solution

The fourth proportional to 356,987.60, 535,197.24 and 176,946.32 is: 265,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,987.60 : 535,197.24 = 176,946.32 : x
  2. Step 2: Convert to fraction form
    356,987.60/535,197.24 = 176,946.32/x
  3. Step 3: Cross multiply
    356,987.60x = 535,197.24 × 176,946.32
  4. Step 4: Simplify right side
    356,987.60x = 94,701,182,092.16
  5. Step 5: Solve for x
    x = 94,701,182,092.16/356,987.60
  6. Step 6: Final answer
    x = 265,278.63

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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.