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Finding the Fourth Proportional to 704,954.58, 972,854.94 and 382,664.22

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Solution

The fourth proportional to 704,954.58, 972,854.94 and 382,664.22 is: 528,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,954.58 : 972,854.94 = 382,664.22 : x
  2. Step 2: Convert to fraction form
    704,954.58/972,854.94 = 382,664.22/x
  3. Step 3: Cross multiply
    704,954.58x = 972,854.94 × 382,664.22
  4. Step 4: Simplify right side
    704,954.58x = 372,276,776,788.25
  5. Step 5: Solve for x
    x = 372,276,776,788.25/704,954.58
  6. Step 6: Final answer
    x = 528,086.19

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1.5x scale

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.