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Finding the Fourth Proportional to 607,543.77, 910,317.13 and 207,966.56

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Solution

The fourth proportional to 607,543.77, 910,317.13 and 207,966.56 is: 311,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,543.77 : 910,317.13 = 207,966.56 : x
  2. Step 2: Convert to fraction form
    607,543.77/910,317.13 = 207,966.56/x
  3. Step 3: Cross multiply
    607,543.77x = 910,317.13 × 207,966.56
  4. Step 4: Simplify right side
    607,543.77x = 189,315,522,035.17
  5. Step 5: Solve for x
    x = 189,315,522,035.17/607,543.77
  6. Step 6: Final answer
    x = 311,608.04

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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.