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Finding the Fourth Proportional to 658,362.48, 908,176.45 and 535,986.50

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Solution

The fourth proportional to 658,362.48, 908,176.45 and 535,986.50 is: 739,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,362.48 : 908,176.45 = 535,986.50 : x
  2. Step 2: Convert to fraction form
    658,362.48/908,176.45 = 535,986.50/x
  3. Step 3: Cross multiply
    658,362.48x = 908,176.45 × 535,986.50
  4. Step 4: Simplify right side
    658,362.48x = 486,770,316,527.16
  5. Step 5: Solve for x
    x = 486,770,316,527.16/658,362.48
  6. Step 6: Final answer
    x = 739,365.22

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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.