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Finding the Fourth Proportional to 560,597.15, 840,395.77 and 205,528.43

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Solution

The fourth proportional to 560,597.15, 840,395.77 and 205,528.43 is: 308,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,597.15 : 840,395.77 = 205,528.43 : x
  2. Step 2: Convert to fraction form
    560,597.15/840,395.77 = 205,528.43/x
  3. Step 3: Cross multiply
    560,597.15x = 840,395.77 × 205,528.43
  4. Step 4: Simplify right side
    560,597.15x = 172,725,223,186.74
  5. Step 5: Solve for x
    x = 172,725,223,186.74/560,597.15
  6. Step 6: Final answer
    x = 308,109.35

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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.