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Finding the Fourth Proportional to 547,363.99, 755,347.15 and 302,344.35

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Solution

The fourth proportional to 547,363.99, 755,347.15 and 302,344.35 is: 417,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,363.99 : 755,347.15 = 302,344.35 : x
  2. Step 2: Convert to fraction form
    547,363.99/755,347.15 = 302,344.35/x
  3. Step 3: Cross multiply
    547,363.99x = 755,347.15 × 302,344.35
  4. Step 4: Simplify right side
    547,363.99x = 228,374,947,860.07
  5. Step 5: Solve for x
    x = 228,374,947,860.07/547,363.99
  6. Step 6: Final answer
    x = 417,226.84

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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.