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Finding the Fourth Proportional to 604,637.25, 902,111.90 and 482,488.86

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Solution

The fourth proportional to 604,637.25, 902,111.90 and 482,488.86 is: 719,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,637.25 : 902,111.90 = 482,488.86 : x
  2. Step 2: Convert to fraction form
    604,637.25/902,111.90 = 482,488.86/x
  3. Step 3: Cross multiply
    604,637.25x = 902,111.90 × 482,488.86
  4. Step 4: Simplify right side
    604,637.25x = 435,258,939,810.99
  5. Step 5: Solve for x
    x = 435,258,939,810.99/604,637.25
  6. Step 6: Final answer
    x = 719,867.89

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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.