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Finding the Fourth Proportional to 364,793.58, 503,624.55 and 278,071.74

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Solution

The fourth proportional to 364,793.58, 503,624.55 and 278,071.74 is: 383,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,793.58 : 503,624.55 = 278,071.74 : x
  2. Step 2: Convert to fraction form
    364,793.58/503,624.55 = 278,071.74/x
  3. Step 3: Cross multiply
    364,793.58x = 503,624.55 × 278,071.74
  4. Step 4: Simplify right side
    364,793.58x = 140,043,754,925.22
  5. Step 5: Solve for x
    x = 140,043,754,925.22/364,793.58
  6. Step 6: Final answer
    x = 383,898.63

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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.