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Finding the Fourth Proportional to 666,890.06, 920,308.33 and 365,084.06

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Solution

The fourth proportional to 666,890.06, 920,308.33 and 365,084.06 is: 503,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,890.06 : 920,308.33 = 365,084.06 : x
  2. Step 2: Convert to fraction form
    666,890.06/920,308.33 = 365,084.06/x
  3. Step 3: Cross multiply
    666,890.06x = 920,308.33 × 365,084.06
  4. Step 4: Simplify right side
    666,890.06x = 335,989,904,325.35
  5. Step 5: Solve for x
    x = 335,989,904,325.35/666,890.06
  6. Step 6: Final answer
    x = 503,816.03

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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.