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Finding the Fourth Proportional to 504,598.95, 756,678.78 and 144,690.39

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Solution

The fourth proportional to 504,598.95, 756,678.78 and 144,690.39 is: 216,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,598.95 : 756,678.78 = 144,690.39 : x
  2. Step 2: Convert to fraction form
    504,598.95/756,678.78 = 144,690.39/x
  3. Step 3: Cross multiply
    504,598.95x = 756,678.78 × 144,690.39
  4. Step 4: Simplify right side
    504,598.95x = 109,484,147,782.92
  5. Step 5: Solve for x
    x = 109,484,147,782.92/504,598.95
  6. Step 6: Final answer
    x = 216,972.60

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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.