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Finding the Fourth Proportional to 454,017.13, 626,448.59 and 263,019.13

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Solution

The fourth proportional to 454,017.13, 626,448.59 and 263,019.13 is: 362,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,017.13 : 626,448.59 = 263,019.13 : x
  2. Step 2: Convert to fraction form
    454,017.13/626,448.59 = 263,019.13/x
  3. Step 3: Cross multiply
    454,017.13x = 626,448.59 × 263,019.13
  4. Step 4: Simplify right side
    454,017.13x = 164,767,961,236.63
  5. Step 5: Solve for x
    x = 164,767,961,236.63/454,017.13
  6. Step 6: Final answer
    x = 362,911.33

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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.