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Finding the Fourth Proportional to 370,470.78, 511,440.48 and 234,646.74

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Solution

The fourth proportional to 370,470.78, 511,440.48 and 234,646.74 is: 323,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,470.78 : 511,440.48 = 234,646.74 : x
  2. Step 2: Convert to fraction form
    370,470.78/511,440.48 = 234,646.74/x
  3. Step 3: Cross multiply
    370,470.78x = 511,440.48 × 234,646.74
  4. Step 4: Simplify right side
    370,470.78x = 120,007,841,336.04
  5. Step 5: Solve for x
    x = 120,007,841,336.04/370,470.78
  6. Step 6: Final answer
    x = 323,933.35

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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.