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Finding the Fourth Proportional to 897,653.36, 1,345,316.28 and 364,550

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Solution

The fourth proportional to 897,653.36, 1,345,316.28 and 364,550 is: 546,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,653.36 : 1,345,316.28 = 364,550 : x
  2. Step 2: Convert to fraction form
    897,653.36/1,345,316.28 = 364,550/x
  3. Step 3: Cross multiply
    897,653.36x = 1,345,316.28 × 364,550
  4. Step 4: Simplify right side
    897,653.36x = 490,435,049,874
  5. Step 5: Solve for x
    x = 490,435,049,874/897,653.36
  6. Step 6: Final answer
    x = 546,352.38

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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.