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Finding the Fourth Proportional to 606,858.57, 837,436.35 and 348,553.80

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Solution

The fourth proportional to 606,858.57, 837,436.35 and 348,553.80 is: 480,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,858.57 : 837,436.35 = 348,553.80 : x
  2. Step 2: Convert to fraction form
    606,858.57/837,436.35 = 348,553.80/x
  3. Step 3: Cross multiply
    606,858.57x = 837,436.35 × 348,553.80
  4. Step 4: Simplify right side
    606,858.57x = 291,891,622,050.63
  5. Step 5: Solve for x
    x = 291,891,622,050.63/606,858.57
  6. Step 6: Final answer
    x = 480,987.89

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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.