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Finding the Fourth Proportional to 469,064.13, 647,309.06 and 254,204.19

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Solution

The fourth proportional to 469,064.13, 647,309.06 and 254,204.19 is: 350,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,064.13 : 647,309.06 = 254,204.19 : x
  2. Step 2: Convert to fraction form
    469,064.13/647,309.06 = 254,204.19/x
  3. Step 3: Cross multiply
    469,064.13x = 647,309.06 × 254,204.19
  4. Step 4: Simplify right side
    469,064.13x = 164,548,674,005.94
  5. Step 5: Solve for x
    x = 164,548,674,005.94/469,064.13
  6. Step 6: Final answer
    x = 350,802.08

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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.