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Finding the Fourth Proportional to 360,034.84, 496,852.23 and 198,886.51

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Solution

The fourth proportional to 360,034.84, 496,852.23 and 198,886.51 is: 274,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,034.84 : 496,852.23 = 198,886.51 : x
  2. Step 2: Convert to fraction form
    360,034.84/496,852.23 = 198,886.51/x
  3. Step 3: Cross multiply
    360,034.84x = 496,852.23 × 198,886.51
  4. Step 4: Simplify right side
    360,034.84x = 98,817,206,010.42
  5. Step 5: Solve for x
    x = 98,817,206,010.42/360,034.84
  6. Step 6: Final answer
    x = 274,465.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.