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Finding the Fourth Proportional to 673,654.16, 929,642.60 and 371,848.08

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Solution

The fourth proportional to 673,654.16, 929,642.60 and 371,848.08 is: 513,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,654.16 : 929,642.60 = 371,848.08 : x
  2. Step 2: Convert to fraction form
    673,654.16/929,642.60 = 371,848.08/x
  3. Step 3: Cross multiply
    673,654.16x = 929,642.60 × 371,848.08
  4. Step 4: Simplify right side
    673,654.16x = 345,685,815,896.21
  5. Step 5: Solve for x
    x = 345,685,815,896.21/673,654.16
  6. Step 6: Final answer
    x = 513,150.27

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1.5x scale

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.