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Finding the Fourth Proportional to 569,528.22, 785,939.31 and 406,484.94

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Solution

The fourth proportional to 569,528.22, 785,939.31 and 406,484.94 is: 560,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528.22 : 785,939.31 = 406,484.94 : x
  2. Step 2: Convert to fraction form
    569,528.22/785,939.31 = 406,484.94/x
  3. Step 3: Cross multiply
    569,528.22x = 785,939.31 × 406,484.94
  4. Step 4: Simplify right side
    569,528.22x = 319,472,493,268.99
  5. Step 5: Solve for x
    x = 319,472,493,268.99/569,528.22
  6. Step 6: Final answer
    x = 560,942.34

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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.