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Finding the Fourth Proportional to 576,653.66, 788,866.29 and 574,224.84

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Solution

The fourth proportional to 576,653.66, 788,866.29 and 574,224.84 is: 785,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,653.66 : 788,866.29 = 574,224.84 : x
  2. Step 2: Convert to fraction form
    576,653.66/788,866.29 = 574,224.84/x
  3. Step 3: Cross multiply
    576,653.66x = 788,866.29 × 574,224.84
  4. Step 4: Simplify right side
    576,653.66x = 452,986,615,346.46
  5. Step 5: Solve for x
    x = 452,986,615,346.46/576,653.66
  6. Step 6: Final answer
    x = 785,543.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.