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Finding the Fourth Proportional to 575,515.16, 794,216.84 and 317,401.37

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Solution

The fourth proportional to 575,515.16, 794,216.84 and 317,401.37 is: 438,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,515.16 : 794,216.84 = 317,401.37 : x
  2. Step 2: Convert to fraction form
    575,515.16/794,216.84 = 317,401.37/x
  3. Step 3: Cross multiply
    575,515.16x = 794,216.84 × 317,401.37
  4. Step 4: Simplify right side
    575,515.16x = 252,085,507,534.98
  5. Step 5: Solve for x
    x = 252,085,507,534.98/575,515.16
  6. Step 6: Final answer
    x = 438,017.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.