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Finding the Fourth Proportional to 504,597.84, 696,330.12 and 278,243.28

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Solution

The fourth proportional to 504,597.84, 696,330.12 and 278,243.28 is: 383,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,597.84 : 696,330.12 = 278,243.28 : x
  2. Step 2: Convert to fraction form
    504,597.84/696,330.12 = 278,243.28/x
  3. Step 3: Cross multiply
    504,597.84x = 696,330.12 × 278,243.28
  4. Step 4: Simplify right side
    504,597.84x = 193,749,176,551.59
  5. Step 5: Solve for x
    x = 193,749,176,551.59/504,597.84
  6. Step 6: Final answer
    x = 383,967.51

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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.