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Finding the Fourth Proportional to 544,300.30, 750,026.67 and 421,043.88

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Solution

The fourth proportional to 544,300.30, 750,026.67 and 421,043.88 is: 580,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,300.30 : 750,026.67 = 421,043.88 : x
  2. Step 2: Convert to fraction form
    544,300.30/750,026.67 = 421,043.88/x
  3. Step 3: Cross multiply
    544,300.30x = 750,026.67 × 421,043.88
  4. Step 4: Simplify right side
    544,300.30x = 315,794,139,038.01
  5. Step 5: Solve for x
    x = 315,794,139,038.01/544,300.30
  6. Step 6: Final answer
    x = 580,183.65

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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.