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Finding the Fourth Proportional to 488,210.94, 732,395.40 and 151,172.38

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Solution

The fourth proportional to 488,210.94, 732,395.40 and 151,172.38 is: 226,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,210.94 : 732,395.40 = 151,172.38 : x
  2. Step 2: Convert to fraction form
    488,210.94/732,395.40 = 151,172.38/x
  3. Step 3: Cross multiply
    488,210.94x = 732,395.40 × 151,172.38
  4. Step 4: Simplify right side
    488,210.94x = 110,717,955,719.05
  5. Step 5: Solve for x
    x = 110,717,955,719.05/488,210.94
  6. Step 6: Final answer
    x = 226,783.03

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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.