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Finding the Fourth Proportional to 632,762.19, 873,619.36 and 564,662.05

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Solution

The fourth proportional to 632,762.19, 873,619.36 and 564,662.05 is: 779,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,762.19 : 873,619.36 = 564,662.05 : x
  2. Step 2: Convert to fraction form
    632,762.19/873,619.36 = 564,662.05/x
  3. Step 3: Cross multiply
    632,762.19x = 873,619.36 × 564,662.05
  4. Step 4: Simplify right side
    632,762.19x = 493,299,695,141.59
  5. Step 5: Solve for x
    x = 493,299,695,141.59/632,762.19
  6. Step 6: Final answer
    x = 779,597.30

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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.