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Finding the Fourth Proportional to 348,177.40, 522,266.10 and 98,859.40

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Solution

The fourth proportional to 348,177.40, 522,266.10 and 98,859.40 is: 148,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,177.40 : 522,266.10 = 98,859.40 : x
  2. Step 2: Convert to fraction form
    348,177.40/522,266.10 = 98,859.40/x
  3. Step 3: Cross multiply
    348,177.40x = 522,266.10 × 98,859.40
  4. Step 4: Simplify right side
    348,177.40x = 51,630,913,286.34
  5. Step 5: Solve for x
    x = 51,630,913,286.34/348,177.40
  6. Step 6: Final answer
    x = 148,289.10

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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.