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Finding the Fourth Proportional to 604,814.40, 907,185.06 and 267,756.48

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Solution

The fourth proportional to 604,814.40, 907,185.06 and 267,756.48 is: 401,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,814.40 : 907,185.06 = 267,756.48 : x
  2. Step 2: Convert to fraction form
    604,814.40/907,185.06 = 267,756.48/x
  3. Step 3: Cross multiply
    604,814.40x = 907,185.06 × 267,756.48
  4. Step 4: Simplify right side
    604,814.40x = 242,904,678,374.19
  5. Step 5: Solve for x
    x = 242,904,678,374.19/604,814.40
  6. Step 6: Final answer
    x = 401,618.54

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1.5x scale

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.