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Finding the Fourth Proportional to 452,162.84, 623,856.87 and 291,111.12

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Solution

The fourth proportional to 452,162.84, 623,856.87 and 291,111.12 is: 401,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,162.84 : 623,856.87 = 291,111.12 : x
  2. Step 2: Convert to fraction form
    452,162.84/623,856.87 = 291,111.12/x
  3. Step 3: Cross multiply
    452,162.84x = 623,856.87 × 291,111.12
  4. Step 4: Simplify right side
    452,162.84x = 181,611,672,145.39
  5. Step 5: Solve for x
    x = 181,611,672,145.39/452,162.84
  6. Step 6: Final answer
    x = 401,651.04

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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.