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Finding the Fourth Proportional to 577,185, 865,752.88 and 563,669.32

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Solution

The fourth proportional to 577,185, 865,752.88 and 563,669.32 is: 845,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,185 : 865,752.88 = 563,669.32 : x
  2. Step 2: Convert to fraction form
    577,185/865,752.88 = 563,669.32/x
  3. Step 3: Cross multiply
    577,185x = 865,752.88 × 563,669.32
  4. Step 4: Simplify right side
    577,185x = 487,998,337,157.64
  5. Step 5: Solve for x
    x = 487,998,337,157.64/577,185
  6. Step 6: Final answer
    x = 845,479.94

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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.