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Finding the Fourth Proportional to 544,378.86, 751,226.40 and 302,666.76

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Solution

The fourth proportional to 544,378.86, 751,226.40 and 302,666.76 is: 417,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,378.86 : 751,226.40 = 302,666.76 : x
  2. Step 2: Convert to fraction form
    544,378.86/751,226.40 = 302,666.76/x
  3. Step 3: Cross multiply
    544,378.86x = 751,226.40 × 302,666.76
  4. Step 4: Simplify right side
    544,378.86x = 227,371,260,514.46
  5. Step 5: Solve for x
    x = 227,371,260,514.46/544,378.86
  6. Step 6: Final answer
    x = 417,671.00

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.