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Finding the Fourth Proportional to 458,317.11, 632,448.06 and 254,368.19

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Solution

The fourth proportional to 458,317.11, 632,448.06 and 254,368.19 is: 351,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,317.11 : 632,448.06 = 254,368.19 : x
  2. Step 2: Convert to fraction form
    458,317.11/632,448.06 = 254,368.19/x
  3. Step 3: Cross multiply
    458,317.11x = 632,448.06 × 254,368.19
  4. Step 4: Simplify right side
    458,317.11x = 160,874,667,019.37
  5. Step 5: Solve for x
    x = 160,874,667,019.37/458,317.11
  6. Step 6: Final answer
    x = 351,011.70

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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.