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Finding the Fourth Proportional to 843,381.76, 1,164,576 and 602,403.52

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Solution

The fourth proportional to 843,381.76, 1,164,576 and 602,403.52 is: 831,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,381.76 : 1,164,576 = 602,403.52 : x
  2. Step 2: Convert to fraction form
    843,381.76/1,164,576 = 602,403.52/x
  3. Step 3: Cross multiply
    843,381.76x = 1,164,576 × 602,403.52
  4. Step 4: Simplify right side
    843,381.76x = 701,544,681,707.52
  5. Step 5: Solve for x
    x = 701,544,681,707.52/843,381.76
  6. Step 6: Final answer
    x = 831,823.40

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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.