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Finding the Fourth Proportional to 465,780.70, 698,671.05 and 465,780.70

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Solution

The fourth proportional to 465,780.70, 698,671.05 and 465,780.70 is: 698,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,780.70 : 698,671.05 = 465,780.70 : x
  2. Step 2: Convert to fraction form
    465,780.70/698,671.05 = 465,780.70/x
  3. Step 3: Cross multiply
    465,780.70x = 698,671.05 × 465,780.70
  4. Step 4: Simplify right side
    465,780.70x = 325,427,490,738.74
  5. Step 5: Solve for x
    x = 325,427,490,738.74/465,780.70
  6. Step 6: Final answer
    x = 698,671.05

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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.