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Finding the Fourth Proportional to 603,226.01, 904,838.25 and 153,946.89

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Solution

The fourth proportional to 603,226.01, 904,838.25 and 153,946.89 is: 230,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,226.01 : 904,838.25 = 153,946.89 : x
  2. Step 2: Convert to fraction form
    603,226.01/904,838.25 = 153,946.89/x
  3. Step 3: Cross multiply
    603,226.01x = 904,838.25 × 153,946.89
  4. Step 4: Simplify right side
    603,226.01x = 139,297,034,540.54
  5. Step 5: Solve for x
    x = 139,297,034,540.54/603,226.01
  6. Step 6: Final answer
    x = 230,920.14

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1.5x scale

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.