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Finding the Fourth Proportional to 277,237.72, 382,587.60 and 156,378.63

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Solution

The fourth proportional to 277,237.72, 382,587.60 and 156,378.63 is: 215,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,237.72 : 382,587.60 = 156,378.63 : x
  2. Step 2: Convert to fraction form
    277,237.72/382,587.60 = 156,378.63/x
  3. Step 3: Cross multiply
    277,237.72x = 382,587.60 × 156,378.63
  4. Step 4: Simplify right side
    277,237.72x = 59,828,524,742.99
  5. Step 5: Solve for x
    x = 59,828,524,742.99/277,237.72
  6. Step 6: Final answer
    x = 215,802.25

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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.