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Finding the Fourth Proportional to 569,161.80, 785,606.64 and 375,710.72

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Solution

The fourth proportional to 569,161.80, 785,606.64 and 375,710.72 is: 518,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,161.80 : 785,606.64 = 375,710.72 : x
  2. Step 2: Convert to fraction form
    569,161.80/785,606.64 = 375,710.72/x
  3. Step 3: Cross multiply
    569,161.80x = 785,606.64 × 375,710.72
  4. Step 4: Simplify right side
    569,161.80x = 295,160,836,351.18
  5. Step 5: Solve for x
    x = 295,160,836,351.18/569,161.80
  6. Step 6: Final answer
    x = 518,588.63

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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.