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Finding the Fourth Proportional to 277,303.70, 382,670.33 and 156,443.40

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Solution

The fourth proportional to 277,303.70, 382,670.33 and 156,443.40 is: 215,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,303.70 : 382,670.33 = 156,443.40 : x
  2. Step 2: Convert to fraction form
    277,303.70/382,670.33 = 156,443.40/x
  3. Step 3: Cross multiply
    277,303.70x = 382,670.33 × 156,443.40
  4. Step 4: Simplify right side
    277,303.70x = 59,866,246,722.11
  5. Step 5: Solve for x
    x = 59,866,246,722.11/277,303.70
  6. Step 6: Final answer
    x = 215,886.94

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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.