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Finding the Fourth Proportional to 492,348.07, 679,440.35 and 265,993.57

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Solution

The fourth proportional to 492,348.07, 679,440.35 and 265,993.57 is: 367,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,348.07 : 679,440.35 = 265,993.57 : x
  2. Step 2: Convert to fraction form
    492,348.07/679,440.35 = 265,993.57/x
  3. Step 3: Cross multiply
    492,348.07x = 679,440.35 × 265,993.57
  4. Step 4: Simplify right side
    492,348.07x = 180,726,764,298.55
  5. Step 5: Solve for x
    x = 180,726,764,298.55/492,348.07
  6. Step 6: Final answer
    x = 367,071.13

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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.