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Finding the Fourth Proportional to 604,501.20, 906,802.56 and 183,780.72

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Solution

The fourth proportional to 604,501.20, 906,802.56 and 183,780.72 is: 275,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,501.20 : 906,802.56 = 183,780.72 : x
  2. Step 2: Convert to fraction form
    604,501.20/906,802.56 = 183,780.72/x
  3. Step 3: Cross multiply
    604,501.20x = 906,802.56 × 183,780.72
  4. Step 4: Simplify right side
    604,501.20x = 166,652,827,374.64
  5. Step 5: Solve for x
    x = 166,652,827,374.64/604,501.20
  6. Step 6: Final answer
    x = 275,686.51

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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.