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Finding the Fourth Proportional to 543,300.84, 749,761.70 and 301,588.20

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Solution

The fourth proportional to 543,300.84, 749,761.70 and 301,588.20 is: 416,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,300.84 : 749,761.70 = 301,588.20 : x
  2. Step 2: Convert to fraction form
    543,300.84/749,761.70 = 301,588.20/x
  3. Step 3: Cross multiply
    543,300.84x = 749,761.70 × 301,588.20
  4. Step 4: Simplify right side
    543,300.84x = 226,119,281,531.94
  5. Step 5: Solve for x
    x = 226,119,281,531.94/543,300.84
  6. Step 6: Final answer
    x = 416,195.35

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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.