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Finding the Fourth Proportional to 590,041.09, 814,385.64 and 375,139.18

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Solution

The fourth proportional to 590,041.09, 814,385.64 and 375,139.18 is: 517,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,041.09 : 814,385.64 = 375,139.18 : x
  2. Step 2: Convert to fraction form
    590,041.09/814,385.64 = 375,139.18/x
  3. Step 3: Cross multiply
    590,041.09x = 814,385.64 × 375,139.18
  4. Step 4: Simplify right side
    590,041.09x = 305,507,961,193.38
  5. Step 5: Solve for x
    x = 305,507,961,193.38/590,041.09
  6. Step 6: Final answer
    x = 517,774.04

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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.