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Finding the Fourth Proportional to 330,401.64, 495,622.98 and 93,762.84

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Solution

The fourth proportional to 330,401.64, 495,622.98 and 93,762.84 is: 140,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,401.64 : 495,622.98 = 93,762.84 : x
  2. Step 2: Convert to fraction form
    330,401.64/495,622.98 = 93,762.84/x
  3. Step 3: Cross multiply
    330,401.64x = 495,622.98 × 93,762.84
  4. Step 4: Simplify right side
    330,401.64x = 46,471,018,174.06
  5. Step 5: Solve for x
    x = 46,471,018,174.06/330,401.64
  6. Step 6: Final answer
    x = 140,650.08

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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.