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Finding the Fourth Proportional to 590,960.16, 886,569.80 and 191,641.28

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Solution

The fourth proportional to 590,960.16, 886,569.80 and 191,641.28 is: 287,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,960.16 : 886,569.80 = 191,641.28 : x
  2. Step 2: Convert to fraction form
    590,960.16/886,569.80 = 191,641.28/x
  3. Step 3: Cross multiply
    590,960.16x = 886,569.80 × 191,641.28
  4. Step 4: Simplify right side
    590,960.16x = 169,903,365,890.29
  5. Step 5: Solve for x
    x = 169,903,365,890.29/590,960.16
  6. Step 6: Final answer
    x = 287,503.93

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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.