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Finding the Fourth Proportional to 374,017.70, 561,026.55 and 262,043.30

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Solution

The fourth proportional to 374,017.70, 561,026.55 and 262,043.30 is: 393,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,017.70 : 561,026.55 = 262,043.30 : x
  2. Step 2: Convert to fraction form
    374,017.70/561,026.55 = 262,043.30/x
  3. Step 3: Cross multiply
    374,017.70x = 561,026.55 × 262,043.30
  4. Step 4: Simplify right side
    374,017.70x = 147,013,248,549.62
  5. Step 5: Solve for x
    x = 147,013,248,549.62/374,017.70
  6. Step 6: Final answer
    x = 393,064.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.