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Finding the Fourth Proportional to 511,460.99, 767,412.68 and 274,526.86

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Solution

The fourth proportional to 511,460.99, 767,412.68 and 274,526.86 is: 411,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,460.99 : 767,412.68 = 274,526.86 : x
  2. Step 2: Convert to fraction form
    511,460.99/767,412.68 = 274,526.86/x
  3. Step 3: Cross multiply
    511,460.99x = 767,412.68 × 274,526.86
  4. Step 4: Simplify right side
    511,460.99x = 210,675,392,132.37
  5. Step 5: Solve for x
    x = 210,675,392,132.37/511,460.99
  6. Step 6: Final answer
    x = 411,909.01

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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.