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Finding the Fourth Proportional to 262,461.65, 362,186.66 and 155,066.45

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Solution

The fourth proportional to 262,461.65, 362,186.66 and 155,066.45 is: 213,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,461.65 : 362,186.66 = 155,066.45 : x
  2. Step 2: Convert to fraction form
    262,461.65/362,186.66 = 155,066.45/x
  3. Step 3: Cross multiply
    262,461.65x = 362,186.66 × 155,066.45
  4. Step 4: Simplify right side
    262,461.65x = 56,162,998,828.22
  5. Step 5: Solve for x
    x = 56,162,998,828.22/262,461.65
  6. Step 6: Final answer
    x = 213,985.54

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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.