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Finding the Fourth Proportional to 529,313.60, 794,200.80 and 266,657.60

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Solution

The fourth proportional to 529,313.60, 794,200.80 and 266,657.60 is: 400,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,313.60 : 794,200.80 = 266,657.60 : x
  2. Step 2: Convert to fraction form
    529,313.60/794,200.80 = 266,657.60/x
  3. Step 3: Cross multiply
    529,313.60x = 794,200.80 × 266,657.60
  4. Step 4: Simplify right side
    529,313.60x = 211,779,679,246.08
  5. Step 5: Solve for x
    x = 211,779,679,246.08/529,313.60
  6. Step 6: Final answer
    x = 400,102.47

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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.