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Finding the Fourth Proportional to 604,297.58, 904,696.65 and 455,166.05

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Solution

The fourth proportional to 604,297.58, 904,696.65 and 455,166.05 is: 681,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,297.58 : 904,696.65 = 455,166.05 : x
  2. Step 2: Convert to fraction form
    604,297.58/904,696.65 = 455,166.05/x
  3. Step 3: Cross multiply
    604,297.58x = 904,696.65 × 455,166.05
  4. Step 4: Simplify right side
    604,297.58x = 411,787,196,105.25
  5. Step 5: Solve for x
    x = 411,787,196,105.25/604,297.58
  6. Step 6: Final answer
    x = 681,431.16

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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.