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Finding the Fourth Proportional to 262,970.68, 362,973.90 and 155,578.24

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Solution

The fourth proportional to 262,970.68, 362,973.90 and 155,578.24 is: 214,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,970.68 : 362,973.90 = 155,578.24 : x
  2. Step 2: Convert to fraction form
    262,970.68/362,973.90 = 155,578.24/x
  3. Step 3: Cross multiply
    262,970.68x = 362,973.90 × 155,578.24
  4. Step 4: Simplify right side
    262,970.68x = 56,470,840,527.94
  5. Step 5: Solve for x
    x = 56,470,840,527.94/262,970.68
  6. Step 6: Final answer
    x = 214,741.96

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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.