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Finding the Fourth Proportional to 603,208.95, 904,812.84 and 153,929.82

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Solution

The fourth proportional to 603,208.95, 904,812.84 and 153,929.82 is: 230,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,208.95 : 904,812.84 = 153,929.82 : x
  2. Step 2: Convert to fraction form
    603,208.95/904,812.84 = 153,929.82/x
  3. Step 3: Cross multiply
    603,208.95x = 904,812.84 × 153,929.82
  4. Step 4: Simplify right side
    603,208.95x = 139,277,677,594.89
  5. Step 5: Solve for x
    x = 139,277,677,594.89/603,208.95
  6. Step 6: Final answer
    x = 230,894.58

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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.