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Finding the Fourth Proportional to 239,031.60, 358,547.40 and 200,540.40

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Solution

The fourth proportional to 239,031.60, 358,547.40 and 200,540.40 is: 300,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,031.60 : 358,547.40 = 200,540.40 : x
  2. Step 2: Convert to fraction form
    239,031.60/358,547.40 = 200,540.40/x
  3. Step 3: Cross multiply
    239,031.60x = 358,547.40 × 200,540.40
  4. Step 4: Simplify right side
    239,031.60x = 71,903,239,014.96
  5. Step 5: Solve for x
    x = 71,903,239,014.96/239,031.60
  6. Step 6: Final answer
    x = 300,810.60

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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.