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Finding the Fourth Proportional to 560,175.63, 773,038.72 and 318,458.27

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Solution

The fourth proportional to 560,175.63, 773,038.72 and 318,458.27 is: 439,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,175.63 : 773,038.72 = 318,458.27 : x
  2. Step 2: Convert to fraction form
    560,175.63/773,038.72 = 318,458.27/x
  3. Step 3: Cross multiply
    560,175.63x = 773,038.72 × 318,458.27
  4. Step 4: Simplify right side
    560,175.63x = 246,180,573,414.21
  5. Step 5: Solve for x
    x = 246,180,573,414.21/560,175.63
  6. Step 6: Final answer
    x = 439,470.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.