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Finding the Fourth Proportional to 625,593.34, 863,312.35 and 349,947.62

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Solution

The fourth proportional to 625,593.34, 863,312.35 and 349,947.62 is: 482,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,593.34 : 863,312.35 = 349,947.62 : x
  2. Step 2: Convert to fraction form
    625,593.34/863,312.35 = 349,947.62/x
  3. Step 3: Cross multiply
    625,593.34x = 863,312.35 × 349,947.62
  4. Step 4: Simplify right side
    625,593.34x = 302,114,102,199.11
  5. Step 5: Solve for x
    x = 302,114,102,199.11/625,593.34
  6. Step 6: Final answer
    x = 482,924.10

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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.