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Finding the Fourth Proportional to 560,646.69, 773,781.03 and 356,484.78

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Solution

The fourth proportional to 560,646.69, 773,781.03 and 356,484.78 is: 492,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,646.69 : 773,781.03 = 356,484.78 : x
  2. Step 2: Convert to fraction form
    560,646.69/773,781.03 = 356,484.78/x
  3. Step 3: Cross multiply
    560,646.69x = 773,781.03 × 356,484.78
  4. Step 4: Simplify right side
    560,646.69x = 275,841,160,247.72
  5. Step 5: Solve for x
    x = 275,841,160,247.72/560,646.69
  6. Step 6: Final answer
    x = 492,005.33

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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.