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Finding the Fourth Proportional to 352,457.40, 529,031.70 and 175,164.60

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Solution

The fourth proportional to 352,457.40, 529,031.70 and 175,164.60 is: 262,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,457.40 : 529,031.70 = 175,164.60 : x
  2. Step 2: Convert to fraction form
    352,457.40/529,031.70 = 175,164.60/x
  3. Step 3: Cross multiply
    352,457.40x = 529,031.70 × 175,164.60
  4. Step 4: Simplify right side
    352,457.40x = 92,667,626,117.82
  5. Step 5: Solve for x
    x = 92,667,626,117.82/352,457.40
  6. Step 6: Final answer
    x = 262,918.66

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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.