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Finding the Fourth Proportional to 413,569.67, 620,459.75 and 242,935.68

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Solution

The fourth proportional to 413,569.67, 620,459.75 and 242,935.68 is: 364,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,569.67 : 620,459.75 = 242,935.68 : x
  2. Step 2: Convert to fraction form
    413,569.67/620,459.75 = 242,935.68/x
  3. Step 3: Cross multiply
    413,569.67x = 620,459.75 × 242,935.68
  4. Step 4: Simplify right side
    413,569.67x = 150,731,811,278.88
  5. Step 5: Solve for x
    x = 150,731,811,278.88/413,569.67
  6. Step 6: Final answer
    x = 364,465.34

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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.