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Finding the Fourth Proportional to 277,663.95, 383,191.16 and 156,810.33

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Solution

The fourth proportional to 277,663.95, 383,191.16 and 156,810.33 is: 216,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,663.95 : 383,191.16 = 156,810.33 : x
  2. Step 2: Convert to fraction form
    277,663.95/383,191.16 = 156,810.33/x
  3. Step 3: Cross multiply
    277,663.95x = 383,191.16 × 156,810.33
  4. Step 4: Simplify right side
    277,663.95x = 60,088,331,468.63
  5. Step 5: Solve for x
    x = 60,088,331,468.63/277,663.95
  6. Step 6: Final answer
    x = 216,406.67

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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.