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Finding the Fourth Proportional to 352,328.32, 528,473.62 and 124,608.16

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Solution

The fourth proportional to 352,328.32, 528,473.62 and 124,608.16 is: 186,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,328.32 : 528,473.62 = 124,608.16 : x
  2. Step 2: Convert to fraction form
    352,328.32/528,473.62 = 124,608.16/x
  3. Step 3: Cross multiply
    352,328.32x = 528,473.62 × 124,608.16
  4. Step 4: Simplify right side
    352,328.32x = 65,852,125,396.74
  5. Step 5: Solve for x
    x = 65,852,125,396.74/352,328.32
  6. Step 6: Final answer
    x = 186,905.57

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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.