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Finding the Fourth Proportional to 345,077.84, 476,210.76 and 192,118.16

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Solution

The fourth proportional to 345,077.84, 476,210.76 and 192,118.16 is: 265,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,077.84 : 476,210.76 = 192,118.16 : x
  2. Step 2: Convert to fraction form
    345,077.84/476,210.76 = 192,118.16/x
  3. Step 3: Cross multiply
    345,077.84x = 476,210.76 × 192,118.16
  4. Step 4: Simplify right side
    345,077.84x = 91,488,734,983.40
  5. Step 5: Solve for x
    x = 91,488,734,983.40/345,077.84
  6. Step 6: Final answer
    x = 265,124.92

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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.