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Finding the Fourth Proportional to 370,294.32, 554,994.74 and 170,340.42

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Solution

The fourth proportional to 370,294.32, 554,994.74 and 170,340.42 is: 255,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,294.32 : 554,994.74 = 170,340.42 : x
  2. Step 2: Convert to fraction form
    370,294.32/554,994.74 = 170,340.42/x
  3. Step 3: Cross multiply
    370,294.32x = 554,994.74 × 170,340.42
  4. Step 4: Simplify right side
    370,294.32x = 94,538,037,109.39
  5. Step 5: Solve for x
    x = 94,538,037,109.39/370,294.32
  6. Step 6: Final answer
    x = 255,305.12

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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.