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Finding the Fourth Proportional to 600,842.34, 900,640.56 and 375,685.91

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Solution

The fourth proportional to 600,842.34, 900,640.56 and 375,685.91 is: 563,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,842.34 : 900,640.56 = 375,685.91 : x
  2. Step 2: Convert to fraction form
    600,842.34/900,640.56 = 375,685.91/x
  3. Step 3: Cross multiply
    600,842.34x = 900,640.56 × 375,685.91
  4. Step 4: Simplify right side
    600,842.34x = 338,357,968,366.51
  5. Step 5: Solve for x
    x = 338,357,968,366.51/600,842.34
  6. Step 6: Final answer
    x = 563,139.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.