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Finding the Fourth Proportional to 370,411.92, 511,194.04 and 225,274.40

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Solution

The fourth proportional to 370,411.92, 511,194.04 and 225,274.40 is: 310,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,411.92 : 511,194.04 = 225,274.40 : x
  2. Step 2: Convert to fraction form
    370,411.92/511,194.04 = 225,274.40/x
  3. Step 3: Cross multiply
    370,411.92x = 511,194.04 × 225,274.40
  4. Step 4: Simplify right side
    370,411.92x = 115,158,929,442.40
  5. Step 5: Solve for x
    x = 115,158,929,442.40/370,411.92
  6. Step 6: Final answer
    x = 310,894.23

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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.