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Finding the Fourth Proportional to 249,358.51, 374,591.40 and 154,658.71

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Solution

The fourth proportional to 249,358.51, 374,591.40 and 154,658.71 is: 232,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,358.51 : 374,591.40 = 154,658.71 : x
  2. Step 2: Convert to fraction form
    249,358.51/374,591.40 = 154,658.71/x
  3. Step 3: Cross multiply
    249,358.51x = 374,591.40 × 154,658.71
  4. Step 4: Simplify right side
    249,358.51x = 57,933,821,764.62
  5. Step 5: Solve for x
    x = 57,933,821,764.62/249,358.51
  6. Step 6: Final answer
    x = 232,331.44

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1.5x scale

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.