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Finding the Fourth Proportional to 3,409,386.60, 5,114,079.90 and 3,409,386.60

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Solution

The fourth proportional to 3,409,386.60, 5,114,079.90 and 3,409,386.60 is: 5,114,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,386.60 : 5,114,079.90 = 3,409,386.60 : x
  2. Step 2: Convert to fraction form
    3,409,386.60/5,114,079.90 = 3,409,386.60/x
  3. Step 3: Cross multiply
    3,409,386.60x = 5,114,079.90 × 3,409,386.60
  4. Step 4: Simplify right side
    3,409,386.60x = 17,435,875,482,389.34
  5. Step 5: Solve for x
    x = 17,435,875,482,389.34/3,409,386.60
  6. Step 6: Final answer
    x = 5,114,079.90

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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.