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Finding the Fourth Proportional to 617,081.04, 851,560.56 and 348,809.04

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Solution

The fourth proportional to 617,081.04, 851,560.56 and 348,809.04 is: 481,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,081.04 : 851,560.56 = 348,809.04 : x
  2. Step 2: Convert to fraction form
    617,081.04/851,560.56 = 348,809.04/x
  3. Step 3: Cross multiply
    617,081.04x = 851,560.56 × 348,809.04
  4. Step 4: Simplify right side
    617,081.04x = 297,032,021,435.46
  5. Step 5: Solve for x
    x = 297,032,021,435.46/617,081.04
  6. Step 6: Final answer
    x = 481,350.10

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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.