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Finding the Fourth Proportional to 352,887.40, 529,331.10 and 195,423.40

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Solution

The fourth proportional to 352,887.40, 529,331.10 and 195,423.40 is: 293,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,887.40 : 529,331.10 = 195,423.40 : x
  2. Step 2: Convert to fraction form
    352,887.40/529,331.10 = 195,423.40/x
  3. Step 3: Cross multiply
    352,887.40x = 529,331.10 × 195,423.40
  4. Step 4: Simplify right side
    352,887.40x = 103,443,683,287.74
  5. Step 5: Solve for x
    x = 103,443,683,287.74/352,887.40
  6. Step 6: Final answer
    x = 293,135.10

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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.