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Finding the Fourth Proportional to 508,811.55, 762,219.73 and 295,130.58

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Solution

The fourth proportional to 508,811.55, 762,219.73 and 295,130.58 is: 442,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,811.55 : 762,219.73 = 295,130.58 : x
  2. Step 2: Convert to fraction form
    508,811.55/762,219.73 = 295,130.58/x
  3. Step 3: Cross multiply
    508,811.55x = 762,219.73 × 295,130.58
  4. Step 4: Simplify right side
    508,811.55x = 224,954,351,002.34
  5. Step 5: Solve for x
    x = 224,954,351,002.34/508,811.55
  6. Step 6: Final answer
    x = 442,117.23

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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.