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Finding the Fourth Proportional to 368,267.91, 508,279.59 and 230,510.76

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Solution

The fourth proportional to 368,267.91, 508,279.59 and 230,510.76 is: 318,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,267.91 : 508,279.59 = 230,510.76 : x
  2. Step 2: Convert to fraction form
    368,267.91/508,279.59 = 230,510.76/x
  3. Step 3: Cross multiply
    368,267.91x = 508,279.59 × 230,510.76
  4. Step 4: Simplify right side
    368,267.91x = 117,163,914,583.39
  5. Step 5: Solve for x
    x = 117,163,914,583.39/368,267.91
  6. Step 6: Final answer
    x = 318,148.59

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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.