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Finding the Fourth Proportional to 40,460,518.70, 60,690,778.05 and 40,460,518.70

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Solution

The fourth proportional to 40,460,518.70, 60,690,778.05 and 40,460,518.70 is: 60,690,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,460,518.70 : 60,690,778.05 = 40,460,518.70 : x
  2. Step 2: Convert to fraction form
    40,460,518.70/60,690,778.05 = 40,460,518.70/x
  3. Step 3: Cross multiply
    40,460,518.70x = 60,690,778.05 × 40,460,518.70
  4. Step 4: Simplify right side
    40,460,518.70x = 2,455,580,360,209,574.50
  5. Step 5: Solve for x
    x = 2,455,580,360,209,574.50/40,460,518.70
  6. Step 6: Final answer
    x = 60,690,778.05

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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.