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Finding the Fourth Proportional to 360,645.10, 540,311.55 and 293,722.90

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Solution

The fourth proportional to 360,645.10, 540,311.55 and 293,722.90 is: 440,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,645.10 : 540,311.55 = 293,722.90 : x
  2. Step 2: Convert to fraction form
    360,645.10/540,311.55 = 293,722.90/x
  3. Step 3: Cross multiply
    360,645.10x = 540,311.55 × 293,722.90
  4. Step 4: Simplify right side
    360,645.10x = 158,701,875,369.50
  5. Step 5: Solve for x
    x = 158,701,875,369.50/360,645.10
  6. Step 6: Final answer
    x = 440,050.00

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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.