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Finding the Fourth Proportional to 565,518.90, 848,278.35 and 171,534.90

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Solution

The fourth proportional to 565,518.90, 848,278.35 and 171,534.90 is: 257,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,518.90 : 848,278.35 = 171,534.90 : x
  2. Step 2: Convert to fraction form
    565,518.90/848,278.35 = 171,534.90/x
  3. Step 3: Cross multiply
    565,518.90x = 848,278.35 × 171,534.90
  4. Step 4: Simplify right side
    565,518.90x = 145,509,341,939.42
  5. Step 5: Solve for x
    x = 145,509,341,939.42/565,518.90
  6. Step 6: Final answer
    x = 257,302.35

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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.