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Finding the Fourth Proportional to 585,142.18, 877,746.08 and 164,385.25

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Solution

The fourth proportional to 585,142.18, 877,746.08 and 164,385.25 is: 246,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,142.18 : 877,746.08 = 164,385.25 : x
  2. Step 2: Convert to fraction form
    585,142.18/877,746.08 = 164,385.25/x
  3. Step 3: Cross multiply
    585,142.18x = 877,746.08 × 164,385.25
  4. Step 4: Simplify right side
    585,142.18x = 144,288,508,797.32
  5. Step 5: Solve for x
    x = 144,288,508,797.32/585,142.18
  6. Step 6: Final answer
    x = 246,587.09

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Similar ratio
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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.