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Finding the Fourth Proportional to 356,986.60, 535,195.74 and 176,945.32

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Solution

The fourth proportional to 356,986.60, 535,195.74 and 176,945.32 is: 265,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,986.60 : 535,195.74 = 176,945.32 : x
  2. Step 2: Convert to fraction form
    356,986.60/535,195.74 = 176,945.32/x
  3. Step 3: Cross multiply
    356,986.60x = 535,195.74 × 176,945.32
  4. Step 4: Simplify right side
    356,986.60x = 94,700,381,476.94
  5. Step 5: Solve for x
    x = 94,700,381,476.94/356,986.60
  6. Step 6: Final answer
    x = 265,277.13

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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.