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Finding the Fourth Proportional to 604,596.96, 907,012.08 and 338,657.76

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Solution

The fourth proportional to 604,596.96, 907,012.08 and 338,657.76 is: 508,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,596.96 : 907,012.08 = 338,657.76 : x
  2. Step 2: Convert to fraction form
    604,596.96/907,012.08 = 338,657.76/x
  3. Step 3: Cross multiply
    604,596.96x = 907,012.08 × 338,657.76
  4. Step 4: Simplify right side
    604,596.96x = 307,166,679,305.74
  5. Step 5: Solve for x
    x = 307,166,679,305.74/604,596.96
  6. Step 6: Final answer
    x = 508,051.97

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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.