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Finding the Fourth Proportional to 416,077.40, 624,116.10 and 346,093.40

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Solution

The fourth proportional to 416,077.40, 624,116.10 and 346,093.40 is: 519,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,077.40 : 624,116.10 = 346,093.40 : x
  2. Step 2: Convert to fraction form
    416,077.40/624,116.10 = 346,093.40/x
  3. Step 3: Cross multiply
    416,077.40x = 624,116.10 × 346,093.40
  4. Step 4: Simplify right side
    416,077.40x = 216,002,463,043.74
  5. Step 5: Solve for x
    x = 216,002,463,043.74/416,077.40
  6. Step 6: Final answer
    x = 519,140.10

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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.