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Finding the Fourth Proportional to 451,645.02, 623,269.14 and 260,658.42

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Solution

The fourth proportional to 451,645.02, 623,269.14 and 260,658.42 is: 359,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,645.02 : 623,269.14 = 260,658.42 : x
  2. Step 2: Convert to fraction form
    451,645.02/623,269.14 = 260,658.42/x
  3. Step 3: Cross multiply
    451,645.02x = 623,269.14 × 260,658.42
  4. Step 4: Simplify right side
    451,645.02x = 162,460,349,267.16
  5. Step 5: Solve for x
    x = 162,460,349,267.16/451,645.02
  6. Step 6: Final answer
    x = 359,708.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.