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Finding the Fourth Proportional to 571,047.60, 856,571.40 and 334,657.20

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Solution

The fourth proportional to 571,047.60, 856,571.40 and 334,657.20 is: 501,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,047.60 : 856,571.40 = 334,657.20 : x
  2. Step 2: Convert to fraction form
    571,047.60/856,571.40 = 334,657.20/x
  3. Step 3: Cross multiply
    571,047.60x = 856,571.40 × 334,657.20
  4. Step 4: Simplify right side
    571,047.60x = 286,657,786,324.08
  5. Step 5: Solve for x
    x = 286,657,786,324.08/571,047.60
  6. Step 6: Final answer
    x = 501,985.80

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Similar ratio
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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.