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Finding the Fourth Proportional to 504,599.84, 696,332.88 and 278,245.28

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Solution

The fourth proportional to 504,599.84, 696,332.88 and 278,245.28 is: 383,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,599.84 : 696,332.88 = 278,245.28 : x
  2. Step 2: Convert to fraction form
    504,599.84/696,332.88 = 278,245.28/x
  3. Step 3: Cross multiply
    504,599.84x = 696,332.88 × 278,245.28
  4. Step 4: Simplify right side
    504,599.84x = 193,751,337,168.81
  5. Step 5: Solve for x
    x = 193,751,337,168.81/504,599.84
  6. Step 6: Final answer
    x = 383,970.27

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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.