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Finding the Fourth Proportional to 362,417.10, 543,625.65 and 262,365.90

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Solution

The fourth proportional to 362,417.10, 543,625.65 and 262,365.90 is: 393,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,417.10 : 543,625.65 = 262,365.90 : x
  2. Step 2: Convert to fraction form
    362,417.10/543,625.65 = 262,365.90/x
  3. Step 3: Cross multiply
    362,417.10x = 543,625.65 × 262,365.90
  4. Step 4: Simplify right side
    362,417.10x = 142,628,832,925.34
  5. Step 5: Solve for x
    x = 142,628,832,925.34/362,417.10
  6. Step 6: Final answer
    x = 393,548.85

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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.