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Finding the Fourth Proportional to 308,547,174.24, 425,807,376.84 and 169,322,918.40

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Solution

The fourth proportional to 308,547,174.24, 425,807,376.84 and 169,322,918.40 is: 233,672,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,547,174.24 : 425,807,376.84 = 169,322,918.40 : x
  2. Step 2: Convert to fraction form
    308,547,174.24/425,807,376.84 = 169,322,918.40/x
  3. Step 3: Cross multiply
    308,547,174.24x = 425,807,376.84 × 169,322,918.40
  4. Step 4: Simplify right side
    308,547,174.24x = 72,098,947,722,797,360
  5. Step 5: Solve for x
    x = 72,098,947,722,797,360/308,547,174.24
  6. Step 6: Final answer
    x = 233,672,364.36

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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.