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Finding the Fourth Proportional to 610,168.32, 915,513.84 and 294,860.16

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Solution

The fourth proportional to 610,168.32, 915,513.84 and 294,860.16 is: 442,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,168.32 : 915,513.84 = 294,860.16 : x
  2. Step 2: Convert to fraction form
    610,168.32/915,513.84 = 294,860.16/x
  3. Step 3: Cross multiply
    610,168.32x = 915,513.84 × 294,860.16
  4. Step 4: Simplify right side
    610,168.32x = 269,948,557,344.61
  5. Step 5: Solve for x
    x = 269,948,557,344.61/610,168.32
  6. Step 6: Final answer
    x = 442,416.54

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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.