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Finding the Fourth Proportional to 310,904.20, 466,010.70 and 170,763.40

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Solution

The fourth proportional to 310,904.20, 466,010.70 and 170,763.40 is: 255,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,904.20 : 466,010.70 = 170,763.40 : x
  2. Step 2: Convert to fraction form
    310,904.20/466,010.70 = 170,763.40/x
  3. Step 3: Cross multiply
    310,904.20x = 466,010.70 × 170,763.40
  4. Step 4: Simplify right side
    310,904.20x = 79,577,571,568.38
  5. Step 5: Solve for x
    x = 79,577,571,568.38/310,904.20
  6. Step 6: Final answer
    x = 255,955.28

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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.