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Finding the Fourth Proportional to 575,647.22, 794,393.93 and 317,518.38

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Solution

The fourth proportional to 575,647.22, 794,393.93 and 317,518.38 is: 438,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,647.22 : 794,393.93 = 317,518.38 : x
  2. Step 2: Convert to fraction form
    575,647.22/794,393.93 = 317,518.38/x
  3. Step 3: Cross multiply
    575,647.22x = 794,393.93 × 317,518.38
  4. Step 4: Simplify right side
    575,647.22x = 252,234,674,529.23
  5. Step 5: Solve for x
    x = 252,234,674,529.23/575,647.22
  6. Step 6: Final answer
    x = 438,175.79

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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.