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Finding the Fourth Proportional to 395,074.58, 592,587.53 and 243,300.57

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Solution

The fourth proportional to 395,074.58, 592,587.53 and 243,300.57 is: 364,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,074.58 : 592,587.53 = 243,300.57 : x
  2. Step 2: Convert to fraction form
    395,074.58/592,587.53 = 243,300.57/x
  3. Step 3: Cross multiply
    395,074.58x = 592,587.53 × 243,300.57
  4. Step 4: Simplify right side
    395,074.58x = 144,176,882,607.39
  5. Step 5: Solve for x
    x = 144,176,882,607.39/395,074.58
  6. Step 6: Final answer
    x = 364,935.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.