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Finding the Fourth Proportional to 524,880.21, 787,445.26 and 169,894.20

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Solution

The fourth proportional to 524,880.21, 787,445.26 and 169,894.20 is: 254,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,880.21 : 787,445.26 = 169,894.20 : x
  2. Step 2: Convert to fraction form
    524,880.21/787,445.26 = 169,894.20/x
  3. Step 3: Cross multiply
    524,880.21x = 787,445.26 × 169,894.20
  4. Step 4: Simplify right side
    524,880.21x = 133,782,381,642.02
  5. Step 5: Solve for x
    x = 133,782,381,642.02/524,880.21
  6. Step 6: Final answer
    x = 254,881.74

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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.