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Finding the Fourth Proportional to 583,822.40, 873,890.40 and 565,390.40

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Solution

The fourth proportional to 583,822.40, 873,890.40 and 565,390.40 is: 846,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,822.40 : 873,890.40 = 565,390.40 : x
  2. Step 2: Convert to fraction form
    583,822.40/873,890.40 = 565,390.40/x
  3. Step 3: Cross multiply
    583,822.40x = 873,890.40 × 565,390.40
  4. Step 4: Simplify right side
    583,822.40x = 494,089,242,812.16
  5. Step 5: Solve for x
    x = 494,089,242,812.16/583,822.40
  6. Step 6: Final answer
    x = 846,300.59

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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.