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Finding the Fourth Proportional to 653,254.50, 979,943.58 and 253,926.12

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Solution

The fourth proportional to 653,254.50, 979,943.58 and 253,926.12 is: 380,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,254.50 : 979,943.58 = 253,926.12 : x
  2. Step 2: Convert to fraction form
    653,254.50/979,943.58 = 253,926.12/x
  3. Step 3: Cross multiply
    653,254.50x = 979,943.58 × 253,926.12
  4. Step 4: Simplify right side
    653,254.50x = 248,833,271,088.31
  5. Step 5: Solve for x
    x = 248,833,271,088.31/653,254.50
  6. Step 6: Final answer
    x = 380,913.21

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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.