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Finding the Fourth Proportional to 353,886.86, 528,264.23 and 327,545.38

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Solution

The fourth proportional to 353,886.86, 528,264.23 and 327,545.38 is: 488,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,886.86 : 528,264.23 = 327,545.38 : x
  2. Step 2: Convert to fraction form
    353,886.86/528,264.23 = 327,545.38/x
  3. Step 3: Cross multiply
    353,886.86x = 528,264.23 × 327,545.38
  4. Step 4: Simplify right side
    353,886.86x = 173,030,506,318.03
  5. Step 5: Solve for x
    x = 173,030,506,318.03/353,886.86
  6. Step 6: Final answer
    x = 488,943.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.