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Finding the Fourth Proportional to 503,281.50, 694,533.33 and 276,931.86

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Solution

The fourth proportional to 503,281.50, 694,533.33 and 276,931.86 is: 382,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,281.50 : 694,533.33 = 276,931.86 : x
  2. Step 2: Convert to fraction form
    503,281.50/694,533.33 = 276,931.86/x
  3. Step 3: Cross multiply
    503,281.50x = 694,533.33 × 276,931.86
  4. Step 4: Simplify right side
    503,281.50x = 192,338,406,908.89
  5. Step 5: Solve for x
    x = 192,338,406,908.89/503,281.50
  6. Step 6: Final answer
    x = 382,168.64

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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.