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Finding the Fourth Proportional to 344,639.04, 475,597.20 and 191,675.76

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Solution

The fourth proportional to 344,639.04, 475,597.20 and 191,675.76 is: 264,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,639.04 : 475,597.20 = 191,675.76 : x
  2. Step 2: Convert to fraction form
    344,639.04/475,597.20 = 191,675.76/x
  3. Step 3: Cross multiply
    344,639.04x = 475,597.20 × 191,675.76
  4. Step 4: Simplify right side
    344,639.04x = 91,160,454,763.87
  5. Step 5: Solve for x
    x = 91,160,454,763.87/344,639.04
  6. Step 6: Final answer
    x = 264,509.95

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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.