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Finding the Fourth Proportional to 581,909.04, 802,969.20 and 327,254.76

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Solution

The fourth proportional to 581,909.04, 802,969.20 and 327,254.76 is: 451,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,909.04 : 802,969.20 = 327,254.76 : x
  2. Step 2: Convert to fraction form
    581,909.04/802,969.20 = 327,254.76/x
  3. Step 3: Cross multiply
    581,909.04x = 802,969.20 × 327,254.76
  4. Step 4: Simplify right side
    581,909.04x = 262,775,492,833.39
  5. Step 5: Solve for x
    x = 262,775,492,833.39/581,909.04
  6. Step 6: Final answer
    x = 451,574.86

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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.