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Finding the Fourth Proportional to 543,320.92, 749,768.70 and 301,597.12

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Solution

The fourth proportional to 543,320.92, 749,768.70 and 301,597.12 is: 416,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,320.92 : 749,768.70 = 301,597.12 : x
  2. Step 2: Convert to fraction form
    543,320.92/749,768.70 = 301,597.12/x
  3. Step 3: Cross multiply
    543,320.92x = 749,768.70 × 301,597.12
  4. Step 4: Simplify right side
    543,320.92x = 226,128,080,586.14
  5. Step 5: Solve for x
    x = 226,128,080,586.14/543,320.92
  6. Step 6: Final answer
    x = 416,196.16

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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.