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Finding the Fourth Proportional to 434,579.70, 608,826.30 and 434,579.70

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Solution

The fourth proportional to 434,579.70, 608,826.30 and 434,579.70 is: 608,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,579.70 : 608,826.30 = 434,579.70 : x
  2. Step 2: Convert to fraction form
    434,579.70/608,826.30 = 434,579.70/x
  3. Step 3: Cross multiply
    434,579.70x = 608,826.30 × 434,579.70
  4. Step 4: Simplify right side
    434,579.70x = 264,583,550,806.11
  5. Step 5: Solve for x
    x = 264,583,550,806.11/434,579.70
  6. Step 6: Final answer
    x = 608,826.30

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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.