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Finding the Fourth Proportional to 610,112.88, 841,671 and 383,883.12

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Solution

The fourth proportional to 610,112.88, 841,671 and 383,883.12 is: 529,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,112.88 : 841,671 = 383,883.12 : x
  2. Step 2: Convert to fraction form
    610,112.88/841,671 = 383,883.12/x
  3. Step 3: Cross multiply
    610,112.88x = 841,671 × 383,883.12
  4. Step 4: Simplify right side
    610,112.88x = 323,103,289,493.52
  5. Step 5: Solve for x
    x = 323,103,289,493.52/610,112.88
  6. Step 6: Final answer
    x = 529,579.53

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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.