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Finding the Fourth Proportional to 623,098.76, 934,669.14 and 173,830.60

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Solution

The fourth proportional to 623,098.76, 934,669.14 and 173,830.60 is: 260,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,098.76 : 934,669.14 = 173,830.60 : x
  2. Step 2: Convert to fraction form
    623,098.76/934,669.14 = 173,830.60/x
  3. Step 3: Cross multiply
    623,098.76x = 934,669.14 × 173,830.60
  4. Step 4: Simplify right side
    623,098.76x = 162,474,097,407.68
  5. Step 5: Solve for x
    x = 162,474,097,407.68/623,098.76
  6. Step 6: Final answer
    x = 260,751.76

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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.