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Finding the Fourth Proportional to 585,065.70, 877,598.55 and 385,611.30

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Solution

The fourth proportional to 585,065.70, 877,598.55 and 385,611.30 is: 578,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,065.70 : 877,598.55 = 385,611.30 : x
  2. Step 2: Convert to fraction form
    585,065.70/877,598.55 = 385,611.30/x
  3. Step 3: Cross multiply
    585,065.70x = 877,598.55 × 385,611.30
  4. Step 4: Simplify right side
    585,065.70x = 338,411,917,743.62
  5. Step 5: Solve for x
    x = 338,411,917,743.62/585,065.70
  6. Step 6: Final answer
    x = 578,416.95

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Similar ratio
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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.