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Finding the Fourth Proportional to 897,090.02, 1,345,894.78 and 266,019.02

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Solution

The fourth proportional to 897,090.02, 1,345,894.78 and 266,019.02 is: 399,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,090.02 : 1,345,894.78 = 266,019.02 : x
  2. Step 2: Convert to fraction form
    897,090.02/1,345,894.78 = 266,019.02/x
  3. Step 3: Cross multiply
    897,090.02x = 1,345,894.78 × 266,019.02
  4. Step 4: Simplify right side
    897,090.02x = 358,033,610,398.72
  5. Step 5: Solve for x
    x = 358,033,610,398.72/897,090.02
  6. Step 6: Final answer
    x = 399,105.56

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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.