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Finding the Fourth Proportional to 575,408.94, 794,157.87 and 346,197.90

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Solution

The fourth proportional to 575,408.94, 794,157.87 and 346,197.90 is: 477,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,408.94 : 794,157.87 = 346,197.90 : x
  2. Step 2: Convert to fraction form
    575,408.94/794,157.87 = 346,197.90/x
  3. Step 3: Cross multiply
    575,408.94x = 794,157.87 × 346,197.90
  4. Step 4: Simplify right side
    575,408.94x = 274,935,786,862.47
  5. Step 5: Solve for x
    x = 274,935,786,862.47/575,408.94
  6. Step 6: Final answer
    x = 477,809.38

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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.