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Finding the Fourth Proportional to 617,706.18, 926,445.09 and 191,162.46

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Solution

The fourth proportional to 617,706.18, 926,445.09 and 191,162.46 is: 286,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,706.18 : 926,445.09 = 191,162.46 : x
  2. Step 2: Convert to fraction form
    617,706.18/926,445.09 = 191,162.46/x
  3. Step 3: Cross multiply
    617,706.18x = 926,445.09 × 191,162.46
  4. Step 4: Simplify right side
    617,706.18x = 177,101,522,459.32
  5. Step 5: Solve for x
    x = 177,101,522,459.32/617,706.18
  6. Step 6: Final answer
    x = 286,708.35

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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.