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Finding the Fourth Proportional to 446,587.78, 669,101.64 and 372,186.04

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Solution

The fourth proportional to 446,587.78, 669,101.64 and 372,186.04 is: 557,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,587.78 : 669,101.64 = 372,186.04 : x
  2. Step 2: Convert to fraction form
    446,587.78/669,101.64 = 372,186.04/x
  3. Step 3: Cross multiply
    446,587.78x = 669,101.64 × 372,186.04
  4. Step 4: Simplify right side
    446,587.78x = 249,030,289,749.11
  5. Step 5: Solve for x
    x = 249,030,289,749.11/446,587.78
  6. Step 6: Final answer
    x = 557,628.98

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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.