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Finding the Fourth Proportional to 584,987, 877,485.30 and 141,755

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Solution

The fourth proportional to 584,987, 877,485.30 and 141,755 is: 212,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,987 : 877,485.30 = 141,755 : x
  2. Step 2: Convert to fraction form
    584,987/877,485.30 = 141,755/x
  3. Step 3: Cross multiply
    584,987x = 877,485.30 × 141,755
  4. Step 4: Simplify right side
    584,987x = 124,387,928,701.50
  5. Step 5: Solve for x
    x = 124,387,928,701.50/584,987
  6. Step 6: Final answer
    x = 212,633.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.