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Finding the Fourth Proportional to 408,050.40, 612,075.60 and 366,716.10

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Solution

The fourth proportional to 408,050.40, 612,075.60 and 366,716.10 is: 550,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,050.40 : 612,075.60 = 366,716.10 : x
  2. Step 2: Convert to fraction form
    408,050.40/612,075.60 = 366,716.10/x
  3. Step 3: Cross multiply
    408,050.40x = 612,075.60 × 366,716.10
  4. Step 4: Simplify right side
    408,050.40x = 224,457,976,937.16
  5. Step 5: Solve for x
    x = 224,457,976,937.16/408,050.40
  6. Step 6: Final answer
    x = 550,074.15

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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.