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Finding the Fourth Proportional to 476,383.95, 714,032.28 and 191,892.24

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Solution

The fourth proportional to 476,383.95, 714,032.28 and 191,892.24 is: 287,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,383.95 : 714,032.28 = 191,892.24 : x
  2. Step 2: Convert to fraction form
    476,383.95/714,032.28 = 191,892.24/x
  3. Step 3: Cross multiply
    476,383.95x = 714,032.28 × 191,892.24
  4. Step 4: Simplify right side
    476,383.95x = 137,017,253,641.51
  5. Step 5: Solve for x
    x = 137,017,253,641.51/476,383.95
  6. Step 6: Final answer
    x = 287,619.37

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1.5x scale

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.