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Finding the Fourth Proportional to 352,510.64, 486,465.30 and 191,365.82

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Solution

The fourth proportional to 352,510.64, 486,465.30 and 191,365.82 is: 264,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,510.64 : 486,465.30 = 191,365.82 : x
  2. Step 2: Convert to fraction form
    352,510.64/486,465.30 = 191,365.82/x
  3. Step 3: Cross multiply
    352,510.64x = 486,465.30 × 191,365.82
  4. Step 4: Simplify right side
    352,510.64x = 93,092,831,036.05
  5. Step 5: Solve for x
    x = 93,092,831,036.05/352,510.64
  6. Step 6: Final answer
    x = 264,085.17

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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.