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Finding the Fourth Proportional to 664,994.10, 933,353.70 and 664,994.10

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Solution

The fourth proportional to 664,994.10, 933,353.70 and 664,994.10 is: 933,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,994.10 : 933,353.70 = 664,994.10 : x
  2. Step 2: Convert to fraction form
    664,994.10/933,353.70 = 664,994.10/x
  3. Step 3: Cross multiply
    664,994.10x = 933,353.70 × 664,994.10
  4. Step 4: Simplify right side
    664,994.10x = 620,674,703,713.17
  5. Step 5: Solve for x
    x = 620,674,703,713.17/664,994.10
  6. Step 6: Final answer
    x = 933,353.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.