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Finding the Fourth Proportional to 338,009.46, 507,189.02 and 148,602.84

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Solution

The fourth proportional to 338,009.46, 507,189.02 and 148,602.84 is: 222,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,009.46 : 507,189.02 = 148,602.84 : x
  2. Step 2: Convert to fraction form
    338,009.46/507,189.02 = 148,602.84/x
  3. Step 3: Cross multiply
    338,009.46x = 507,189.02 × 148,602.84
  4. Step 4: Simplify right side
    338,009.46x = 75,369,728,045.80
  5. Step 5: Solve for x
    x = 75,369,728,045.80/338,009.46
  6. Step 6: Final answer
    x = 222,981.12

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1.5x scale

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.