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Finding the Fourth Proportional to 534,798.40, 802,003.20 and 268,470.40

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Solution

The fourth proportional to 534,798.40, 802,003.20 and 268,470.40 is: 402,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,798.40 : 802,003.20 = 268,470.40 : x
  2. Step 2: Convert to fraction form
    534,798.40/802,003.20 = 268,470.40/x
  3. Step 3: Cross multiply
    534,798.40x = 802,003.20 × 268,470.40
  4. Step 4: Simplify right side
    534,798.40x = 215,314,119,905.28
  5. Step 5: Solve for x
    x = 215,314,119,905.28/534,798.40
  6. Step 6: Final answer
    x = 402,608.01

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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.