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Finding the Fourth Proportional to 562,299.60, 843,643.80 and 542,859.60

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Solution

The fourth proportional to 562,299.60, 843,643.80 and 542,859.60 is: 814,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,299.60 : 843,643.80 = 542,859.60 : x
  2. Step 2: Convert to fraction form
    562,299.60/843,643.80 = 542,859.60/x
  3. Step 3: Cross multiply
    562,299.60x = 843,643.80 × 542,859.60
  4. Step 4: Simplify right side
    562,299.60x = 457,980,135,810.48
  5. Step 5: Solve for x
    x = 457,980,135,810.48/562,299.60
  6. Step 6: Final answer
    x = 814,477.08

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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.