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Finding the Fourth Proportional to 277,590.57, 416,323.59 and 127,686.90

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Solution

The fourth proportional to 277,590.57, 416,323.59 and 127,686.90 is: 191,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,590.57 : 416,323.59 = 127,686.90 : x
  2. Step 2: Convert to fraction form
    277,590.57/416,323.59 = 127,686.90/x
  3. Step 3: Cross multiply
    277,590.57x = 416,323.59 × 127,686.90
  4. Step 4: Simplify right side
    277,590.57x = 53,159,068,603.97
  5. Step 5: Solve for x
    x = 53,159,068,603.97/277,590.57
  6. Step 6: Final answer
    x = 191,501.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.