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Finding the Fourth Proportional to 451,281.78, 676,210.59 and 166,580.58

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Solution

The fourth proportional to 451,281.78, 676,210.59 and 166,580.58 is: 249,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,281.78 : 676,210.59 = 166,580.58 : x
  2. Step 2: Convert to fraction form
    451,281.78/676,210.59 = 166,580.58/x
  3. Step 3: Cross multiply
    451,281.78x = 676,210.59 × 166,580.58
  4. Step 4: Simplify right side
    451,281.78x = 112,643,552,284.34
  5. Step 5: Solve for x
    x = 112,643,552,284.34/451,281.78
  6. Step 6: Final answer
    x = 249,608.02

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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.