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Finding the Fourth Proportional to 352,675.68, 486,692.32 and 191,530.77

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Solution

The fourth proportional to 352,675.68, 486,692.32 and 191,530.77 is: 264,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,675.68 : 486,692.32 = 191,530.77 : x
  2. Step 2: Convert to fraction form
    352,675.68/486,692.32 = 191,530.77/x
  3. Step 3: Cross multiply
    352,675.68x = 486,692.32 × 191,530.77
  4. Step 4: Simplify right side
    352,675.68x = 93,216,554,802.69
  5. Step 5: Solve for x
    x = 93,216,554,802.69/352,675.68
  6. Step 6: Final answer
    x = 264,312.40

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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.