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Finding the Fourth Proportional to 294,394.50, 406,317.42 and 173,528.64

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Solution

The fourth proportional to 294,394.50, 406,317.42 and 173,528.64 is: 239,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,394.50 : 406,317.42 = 173,528.64 : x
  2. Step 2: Convert to fraction form
    294,394.50/406,317.42 = 173,528.64/x
  3. Step 3: Cross multiply
    294,394.50x = 406,317.42 × 173,528.64
  4. Step 4: Simplify right side
    294,394.50x = 70,507,709,300.91
  5. Step 5: Solve for x
    x = 70,507,709,300.91/294,394.50
  6. Step 6: Final answer
    x = 239,500.77

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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.