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Finding the Fourth Proportional to 303,460.47, 418,775.45 and 169,324.47

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Solution

The fourth proportional to 303,460.47, 418,775.45 and 169,324.47 is: 233,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,460.47 : 418,775.45 = 169,324.47 : x
  2. Step 2: Convert to fraction form
    303,460.47/418,775.45 = 169,324.47/x
  3. Step 3: Cross multiply
    303,460.47x = 418,775.45 × 169,324.47
  4. Step 4: Simplify right side
    303,460.47x = 70,908,931,120.26
  5. Step 5: Solve for x
    x = 70,908,931,120.26/303,460.47
  6. Step 6: Final answer
    x = 233,667.77

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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.