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Finding the Fourth Proportional to 360,522.60, 540,783.90 and 276,541.80

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Solution

The fourth proportional to 360,522.60, 540,783.90 and 276,541.80 is: 414,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,522.60 : 540,783.90 = 276,541.80 : x
  2. Step 2: Convert to fraction form
    360,522.60/540,783.90 = 276,541.80/x
  3. Step 3: Cross multiply
    360,522.60x = 540,783.90 × 276,541.80
  4. Step 4: Simplify right side
    360,522.60x = 149,549,353,117.02
  5. Step 5: Solve for x
    x = 149,549,353,117.02/360,522.60
  6. Step 6: Final answer
    x = 414,812.70

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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.