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Finding the Fourth Proportional to 346,448.92, 478,095.90 and 195,552.28

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Solution

The fourth proportional to 346,448.92, 478,095.90 and 195,552.28 is: 269,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,448.92 : 478,095.90 = 195,552.28 : x
  2. Step 2: Convert to fraction form
    346,448.92/478,095.90 = 195,552.28/x
  3. Step 3: Cross multiply
    346,448.92x = 478,095.90 × 195,552.28
  4. Step 4: Simplify right side
    346,448.92x = 93,492,743,303.65
  5. Step 5: Solve for x
    x = 93,492,743,303.65/346,448.92
  6. Step 6: Final answer
    x = 269,860.11

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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.