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Finding the Fourth Proportional to 458,603.09, 632,930.66 and 277,316.32

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Solution

The fourth proportional to 458,603.09, 632,930.66 and 277,316.32 is: 382,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,603.09 : 632,930.66 = 277,316.32 : x
  2. Step 2: Convert to fraction form
    458,603.09/632,930.66 = 277,316.32/x
  3. Step 3: Cross multiply
    458,603.09x = 632,930.66 × 277,316.32
  4. Step 4: Simplify right side
    458,603.09x = 175,521,999,170.75
  5. Step 5: Solve for x
    x = 175,521,999,170.75/458,603.09
  6. Step 6: Final answer
    x = 382,731.83

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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.