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Finding the Fourth Proportional to 710,266.59, 980,167.85 and 383,579.57

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Solution

The fourth proportional to 710,266.59, 980,167.85 and 383,579.57 is: 529,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,266.59 : 980,167.85 = 383,579.57 : x
  2. Step 2: Convert to fraction form
    710,266.59/980,167.85 = 383,579.57/x
  3. Step 3: Cross multiply
    710,266.59x = 980,167.85 × 383,579.57
  4. Step 4: Simplify right side
    710,266.59x = 375,972,360,512.93
  5. Step 5: Solve for x
    x = 375,972,360,512.93/710,266.59
  6. Step 6: Final answer
    x = 529,339.78

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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.