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Finding the Fourth Proportional to 590,042.22, 814,387.19 and 375,140.31

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Solution

The fourth proportional to 590,042.22, 814,387.19 and 375,140.31 is: 517,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,042.22 : 814,387.19 = 375,140.31 : x
  2. Step 2: Convert to fraction form
    590,042.22/814,387.19 = 375,140.31/x
  3. Step 3: Cross multiply
    590,042.22x = 814,387.19 × 375,140.31
  4. Step 4: Simplify right side
    590,042.22x = 305,509,462,916.63
  5. Step 5: Solve for x
    x = 305,509,462,916.63/590,042.22
  6. Step 6: Final answer
    x = 517,775.60

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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.