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Finding the Fourth Proportional to 458,520.16, 632,318.08 and 295,009.78

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Solution

The fourth proportional to 458,520.16, 632,318.08 and 295,009.78 is: 406,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,520.16 : 632,318.08 = 295,009.78 : x
  2. Step 2: Convert to fraction form
    458,520.16/632,318.08 = 295,009.78/x
  3. Step 3: Cross multiply
    458,520.16x = 632,318.08 × 295,009.78
  4. Step 4: Simplify right side
    458,520.16x = 186,540,021,003.41
  5. Step 5: Solve for x
    x = 186,540,021,003.41/458,520.16
  6. Step 6: Final answer
    x = 406,830.58

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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.