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Finding the Fourth Proportional to 501,502.44, 692,120.22 and 286,600.52

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Solution

The fourth proportional to 501,502.44, 692,120.22 and 286,600.52 is: 395,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,502.44 : 692,120.22 = 286,600.52 : x
  2. Step 2: Convert to fraction form
    501,502.44/692,120.22 = 286,600.52/x
  3. Step 3: Cross multiply
    501,502.44x = 692,120.22 × 286,600.52
  4. Step 4: Simplify right side
    501,502.44x = 198,362,014,954.51
  5. Step 5: Solve for x
    x = 198,362,014,954.51/501,502.44
  6. Step 6: Final answer
    x = 395,535.49

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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.