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Finding the Fourth Proportional to 672,485.33, 928,001.84 and 366,554.98

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Solution

The fourth proportional to 672,485.33, 928,001.84 and 366,554.98 is: 505,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,485.33 : 928,001.84 = 366,554.98 : x
  2. Step 2: Convert to fraction form
    672,485.33/928,001.84 = 366,554.98/x
  3. Step 3: Cross multiply
    672,485.33x = 928,001.84 × 366,554.98
  4. Step 4: Simplify right side
    672,485.33x = 340,163,695,228.39
  5. Step 5: Solve for x
    x = 340,163,695,228.39/672,485.33
  6. Step 6: Final answer
    x = 505,830.65

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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.