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Finding the Fourth Proportional to 472,981.65, 709,050.60 and 173,392.28

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Solution

The fourth proportional to 472,981.65, 709,050.60 and 173,392.28 is: 259,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,981.65 : 709,050.60 = 173,392.28 : x
  2. Step 2: Convert to fraction form
    472,981.65/709,050.60 = 173,392.28/x
  3. Step 3: Cross multiply
    472,981.65x = 709,050.60 × 173,392.28
  4. Step 4: Simplify right side
    472,981.65x = 122,943,903,271.46
  5. Step 5: Solve for x
    x = 122,943,903,271.46/472,981.65
  6. Step 6: Final answer
    x = 259,933.77

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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.