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Finding the Fourth Proportional to 352,716, 486,734.88 and 191,567.52

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Solution

The fourth proportional to 352,716, 486,734.88 and 191,567.52 is: 264,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,716 : 486,734.88 = 191,567.52 : x
  2. Step 2: Convert to fraction form
    352,716/486,734.88 = 191,567.52/x
  3. Step 3: Cross multiply
    352,716x = 486,734.88 × 191,567.52
  4. Step 4: Simplify right side
    352,716x = 93,242,593,859.10
  5. Step 5: Solve for x
    x = 93,242,593,859.10/352,716
  6. Step 6: Final answer
    x = 264,356.01

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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.