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Finding the Fourth Proportional to 624,971.96, 937,502.09 and 309,344.12

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Solution

The fourth proportional to 624,971.96, 937,502.09 and 309,344.12 is: 464,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,971.96 : 937,502.09 = 309,344.12 : x
  2. Step 2: Convert to fraction form
    624,971.96/937,502.09 = 309,344.12/x
  3. Step 3: Cross multiply
    624,971.96x = 937,502.09 × 309,344.12
  4. Step 4: Simplify right side
    624,971.96x = 290,010,759,029.21
  5. Step 5: Solve for x
    x = 290,010,759,029.21/624,971.96
  6. Step 6: Final answer
    x = 464,038.03

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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.