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Finding the Fourth Proportional to 548,095.82, 756,319.06 and 344,081.52

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Solution

The fourth proportional to 548,095.82, 756,319.06 and 344,081.52 is: 474,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,095.82 : 756,319.06 = 344,081.52 : x
  2. Step 2: Convert to fraction form
    548,095.82/756,319.06 = 344,081.52/x
  3. Step 3: Cross multiply
    548,095.82x = 756,319.06 × 344,081.52
  4. Step 4: Simplify right side
    548,095.82x = 260,235,411,769.77
  5. Step 5: Solve for x
    x = 260,235,411,769.77/548,095.82
  6. Step 6: Final answer
    x = 474,799.12

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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.