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Finding the Fourth Proportional to 504,602.34, 696,336.33 and 278,247.78

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Solution

The fourth proportional to 504,602.34, 696,336.33 and 278,247.78 is: 383,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,602.34 : 696,336.33 = 278,247.78 : x
  2. Step 2: Convert to fraction form
    504,602.34/696,336.33 = 278,247.78/x
  3. Step 3: Cross multiply
    504,602.34x = 696,336.33 × 278,247.78
  4. Step 4: Simplify right side
    504,602.34x = 193,754,037,955.85
  5. Step 5: Solve for x
    x = 193,754,037,955.85/504,602.34
  6. Step 6: Final answer
    x = 383,973.72

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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.