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Finding the Fourth Proportional to 310,859.80, 466,289.70 and 236,210.20

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Solution

The fourth proportional to 310,859.80, 466,289.70 and 236,210.20 is: 354,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,859.80 : 466,289.70 = 236,210.20 : x
  2. Step 2: Convert to fraction form
    310,859.80/466,289.70 = 236,210.20/x
  3. Step 3: Cross multiply
    310,859.80x = 466,289.70 × 236,210.20
  4. Step 4: Simplify right side
    310,859.80x = 110,142,383,294.94
  5. Step 5: Solve for x
    x = 110,142,383,294.94/310,859.80
  6. Step 6: Final answer
    x = 354,315.30

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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.