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Finding the Fourth Proportional to 603,212.66, 904,818.40 and 153,933.53

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Solution

The fourth proportional to 603,212.66, 904,818.40 and 153,933.53 is: 230,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,212.66 : 904,818.40 = 153,933.53 : x
  2. Step 2: Convert to fraction form
    603,212.66/904,818.40 = 153,933.53/x
  3. Step 3: Cross multiply
    603,212.66x = 904,818.40 × 153,933.53
  4. Step 4: Simplify right side
    603,212.66x = 139,281,891,367.51
  5. Step 5: Solve for x
    x = 139,281,891,367.51/603,212.66
  6. Step 6: Final answer
    x = 230,900.15

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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.