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Finding the Fourth Proportional to 425,521.63, 635,167.79 and 375,077.79

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Solution

The fourth proportional to 425,521.63, 635,167.79 and 375,077.79 is: 559,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,521.63 : 635,167.79 = 375,077.79 : x
  2. Step 2: Convert to fraction form
    425,521.63/635,167.79 = 375,077.79/x
  3. Step 3: Cross multiply
    425,521.63x = 635,167.79 × 375,077.79
  4. Step 4: Simplify right side
    425,521.63x = 238,237,331,011.00
  5. Step 5: Solve for x
    x = 238,237,331,011.00/425,521.63
  6. Step 6: Final answer
    x = 559,871.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.