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Finding the Fourth Proportional to 555,318.77, 832,348.44 and 255,179.16

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Solution

The fourth proportional to 555,318.77, 832,348.44 and 255,179.16 is: 382,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,318.77 : 832,348.44 = 255,179.16 : x
  2. Step 2: Convert to fraction form
    555,318.77/832,348.44 = 255,179.16/x
  3. Step 3: Cross multiply
    555,318.77x = 832,348.44 × 255,179.16
  4. Step 4: Simplify right side
    555,318.77x = 212,397,975,746.51
  5. Step 5: Solve for x
    x = 212,397,975,746.51/555,318.77
  6. Step 6: Final answer
    x = 382,479.38

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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.