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Finding the Fourth Proportional to 338,275.84, 507,471.40 and 116,608

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Solution

The fourth proportional to 338,275.84, 507,471.40 and 116,608 is: 174,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,275.84 : 507,471.40 = 116,608 : x
  2. Step 2: Convert to fraction form
    338,275.84/507,471.40 = 116,608/x
  3. Step 3: Cross multiply
    338,275.84x = 507,471.40 × 116,608
  4. Step 4: Simplify right side
    338,275.84x = 59,175,225,011.20
  5. Step 5: Solve for x
    x = 59,175,225,011.20/338,275.84
  6. Step 6: Final answer
    x = 174,931.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.