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Finding the Fourth Proportional to 610,113.88, 841,672.38 and 383,884.12

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Solution

The fourth proportional to 610,113.88, 841,672.38 and 383,884.12 is: 529,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,113.88 : 841,672.38 = 383,884.12 : x
  2. Step 2: Convert to fraction form
    610,113.88/841,672.38 = 383,884.12/x
  3. Step 3: Cross multiply
    610,113.88x = 841,672.38 × 383,884.12
  4. Step 4: Simplify right side
    610,113.88x = 323,104,660,924.61
  5. Step 5: Solve for x
    x = 323,104,660,924.61/610,113.88
  6. Step 6: Final answer
    x = 529,580.91

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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.