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Finding the Fourth Proportional to 313,573.60, 470,403.60 and 136,075.60

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Solution

The fourth proportional to 313,573.60, 470,403.60 and 136,075.60 is: 204,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,573.60 : 470,403.60 = 136,075.60 : x
  2. Step 2: Convert to fraction form
    313,573.60/470,403.60 = 136,075.60/x
  3. Step 3: Cross multiply
    313,573.60x = 470,403.60 × 136,075.60
  4. Step 4: Simplify right side
    313,573.60x = 64,010,452,112.16
  5. Step 5: Solve for x
    x = 64,010,452,112.16/313,573.60
  6. Step 6: Final answer
    x = 204,132.15

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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.