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Finding the Fourth Proportional to 262,703.04, 362,538.88 and 143,471.04

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Solution

The fourth proportional to 262,703.04, 362,538.88 and 143,471.04 is: 197,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,703.04 : 362,538.88 = 143,471.04 : x
  2. Step 2: Convert to fraction form
    262,703.04/362,538.88 = 143,471.04/x
  3. Step 3: Cross multiply
    262,703.04x = 362,538.88 × 143,471.04
  4. Step 4: Simplify right side
    262,703.04x = 52,013,830,154.04
  5. Step 5: Solve for x
    x = 52,013,830,154.04/262,703.04
  6. Step 6: Final answer
    x = 197,994.78

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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.