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Finding the Fourth Proportional to 458,317.16, 632,468.16 and 254,356.23

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Solution

The fourth proportional to 458,317.16, 632,468.16 and 254,356.23 is: 351,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,317.16 : 632,468.16 = 254,356.23 : x
  2. Step 2: Convert to fraction form
    458,317.16/632,468.16 = 254,356.23/x
  3. Step 3: Cross multiply
    458,317.16x = 632,468.16 × 254,356.23
  4. Step 4: Simplify right side
    458,317.16x = 160,872,216,772.64
  5. Step 5: Solve for x
    x = 160,872,216,772.64/458,317.16
  6. Step 6: Final answer
    x = 351,006.32

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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.