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Finding the Fourth Proportional to 595,158.66, 891,934.41 and 278,908.74

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Solution

The fourth proportional to 595,158.66, 891,934.41 and 278,908.74 is: 417,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,158.66 : 891,934.41 = 278,908.74 : x
  2. Step 2: Convert to fraction form
    595,158.66/891,934.41 = 278,908.74/x
  3. Step 3: Cross multiply
    595,158.66x = 891,934.41 × 278,908.74
  4. Step 4: Simplify right side
    595,158.66x = 248,768,302,455.74
  5. Step 5: Solve for x
    x = 248,768,302,455.74/595,158.66
  6. Step 6: Final answer
    x = 417,986.53

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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.