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Finding the Fourth Proportional to 671,609.06, 926,837.11 and 365,702.20

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Solution

The fourth proportional to 671,609.06, 926,837.11 and 365,702.20 is: 504,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,609.06 : 926,837.11 = 365,702.20 : x
  2. Step 2: Convert to fraction form
    671,609.06/926,837.11 = 365,702.20/x
  3. Step 3: Cross multiply
    671,609.06x = 926,837.11 × 365,702.20
  4. Step 4: Simplify right side
    671,609.06x = 338,946,370,168.64
  5. Step 5: Solve for x
    x = 338,946,370,168.64/671,609.06
  6. Step 6: Final answer
    x = 504,678.08

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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.