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Finding the Fourth Proportional to 607,998.40, 910,685.40 and 503,022.40

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Solution

The fourth proportional to 607,998.40, 910,685.40 and 503,022.40 is: 753,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,998.40 : 910,685.40 = 503,022.40 : x
  2. Step 2: Convert to fraction form
    607,998.40/910,685.40 = 503,022.40/x
  3. Step 3: Cross multiply
    607,998.40x = 910,685.40 × 503,022.40
  4. Step 4: Simplify right side
    607,998.40x = 458,095,155,552.96
  5. Step 5: Solve for x
    x = 458,095,155,552.96/607,998.40
  6. Step 6: Final answer
    x = 753,447.96

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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.