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Finding the Fourth Proportional to 672,302.61, 927,777.77 and 366,379.08

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Solution

The fourth proportional to 672,302.61, 927,777.77 and 366,379.08 is: 505,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,302.61 : 927,777.77 = 366,379.08 : x
  2. Step 2: Convert to fraction form
    672,302.61/927,777.77 = 366,379.08/x
  3. Step 3: Cross multiply
    672,302.61x = 927,777.77 × 366,379.08
  4. Step 4: Simplify right side
    672,302.61x = 339,918,363,985.16
  5. Step 5: Solve for x
    x = 339,918,363,985.16/672,302.61
  6. Step 6: Final answer
    x = 505,603.22

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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.