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Finding the Fourth Proportional to 604,220.12, 833,829.12 and 328,578.92

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Solution

The fourth proportional to 604,220.12, 833,829.12 and 328,578.92 is: 453,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,220.12 : 833,829.12 = 328,578.92 : x
  2. Step 2: Convert to fraction form
    604,220.12/833,829.12 = 328,578.92/x
  3. Step 3: Cross multiply
    604,220.12x = 833,829.12 × 328,578.92
  4. Step 4: Simplify right side
    604,220.12x = 273,978,671,714.15
  5. Step 5: Solve for x
    x = 273,978,671,714.15/604,220.12
  6. Step 6: Final answer
    x = 453,441.82

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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.