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Finding the Fourth Proportional to 565,520.90, 848,281.35 and 171,536.90

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Solution

The fourth proportional to 565,520.90, 848,281.35 and 171,536.90 is: 257,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,520.90 : 848,281.35 = 171,536.90 : x
  2. Step 2: Convert to fraction form
    565,520.90/848,281.35 = 171,536.90/x
  3. Step 3: Cross multiply
    565,520.90x = 848,281.35 × 171,536.90
  4. Step 4: Simplify right side
    565,520.90x = 145,511,553,106.82
  5. Step 5: Solve for x
    x = 145,511,553,106.82/565,520.90
  6. Step 6: Final answer
    x = 257,305.35

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Similar ratio
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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.