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Finding the Fourth Proportional to 352,368.06, 486,268.24 and 191,223.12

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Solution

The fourth proportional to 352,368.06, 486,268.24 and 191,223.12 is: 263,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,368.06 : 486,268.24 = 191,223.12 : x
  2. Step 2: Convert to fraction form
    352,368.06/486,268.24 = 191,223.12/x
  3. Step 3: Cross multiply
    352,368.06x = 486,268.24 × 191,223.12
  4. Step 4: Simplify right side
    352,368.06x = 92,985,730,009.71
  5. Step 5: Solve for x
    x = 92,985,730,009.71/352,368.06
  6. Step 6: Final answer
    x = 263,888.08

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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.