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Finding the Fourth Proportional to 585,059.78, 877,589.76 and 141,827.78

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Solution

The fourth proportional to 585,059.78, 877,589.76 and 141,827.78 is: 212,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,059.78 : 877,589.76 = 141,827.78 : x
  2. Step 2: Convert to fraction form
    585,059.78/877,589.76 = 141,827.78/x
  3. Step 3: Cross multiply
    585,059.78x = 877,589.76 × 141,827.78
  4. Step 4: Simplify right side
    585,059.78x = 124,466,607,411.53
  5. Step 5: Solve for x
    x = 124,466,607,411.53/585,059.78
  6. Step 6: Final answer
    x = 212,741.69

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Double scale
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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.