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Finding the Fourth Proportional to 520,699.02, 780,767.69 and 236,234.35

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Solution

The fourth proportional to 520,699.02, 780,767.69 and 236,234.35 is: 354,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,699.02 : 780,767.69 = 236,234.35 : x
  2. Step 2: Convert to fraction form
    520,699.02/780,767.69 = 236,234.35/x
  3. Step 3: Cross multiply
    520,699.02x = 780,767.69 × 236,234.35
  4. Step 4: Simplify right side
    520,699.02x = 184,444,147,748.15
  5. Step 5: Solve for x
    x = 184,444,147,748.15/520,699.02
  6. Step 6: Final answer
    x = 354,224.11

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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.