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Finding the Fourth Proportional to 503,668.84, 755,585.34 and 148,718.74

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Solution

The fourth proportional to 503,668.84, 755,585.34 and 148,718.74 is: 223,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,668.84 : 755,585.34 = 148,718.74 : x
  2. Step 2: Convert to fraction form
    503,668.84/755,585.34 = 148,718.74/x
  3. Step 3: Cross multiply
    503,668.84x = 755,585.34 × 148,718.74
  4. Step 4: Simplify right side
    503,668.84x = 112,369,699,727.27
  5. Step 5: Solve for x
    x = 112,369,699,727.27/503,668.84
  6. Step 6: Final answer
    x = 223,102.35

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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.