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Finding the Fourth Proportional to 294,697.92, 406,731.92 and 173,868.76

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Solution

The fourth proportional to 294,697.92, 406,731.92 and 173,868.76 is: 239,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,697.92 : 406,731.92 = 173,868.76 : x
  2. Step 2: Convert to fraction form
    294,697.92/406,731.92 = 173,868.76/x
  3. Step 3: Cross multiply
    294,697.92x = 406,731.92 × 173,868.76
  4. Step 4: Simplify right side
    294,697.92x = 70,717,974,582.82
  5. Step 5: Solve for x
    x = 70,717,974,582.82/294,697.92
  6. Step 6: Final answer
    x = 239,967.67

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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.