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Finding the Fourth Proportional to 356,947.44, 535,248.93 and 207,225.42

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Solution

The fourth proportional to 356,947.44, 535,248.93 and 207,225.42 is: 310,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,947.44 : 535,248.93 = 207,225.42 : x
  2. Step 2: Convert to fraction form
    356,947.44/535,248.93 = 207,225.42/x
  3. Step 3: Cross multiply
    356,947.44x = 535,248.93 × 207,225.42
  4. Step 4: Simplify right side
    356,947.44x = 110,917,184,323.80
  5. Step 5: Solve for x
    x = 110,917,184,323.80/356,947.44
  6. Step 6: Final answer
    x = 310,738.14

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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.