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Finding the Fourth Proportional to 585,070.78, 877,432.28 and 248,106.46

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Solution

The fourth proportional to 585,070.78, 877,432.28 and 248,106.46 is: 372,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,070.78 : 877,432.28 = 248,106.46 : x
  2. Step 2: Convert to fraction form
    585,070.78/877,432.28 = 248,106.46/x
  3. Step 3: Cross multiply
    585,070.78x = 877,432.28 × 248,106.46
  4. Step 4: Simplify right side
    585,070.78x = 217,696,616,880.53
  5. Step 5: Solve for x
    x = 217,696,616,880.53/585,070.78
  6. Step 6: Final answer
    x = 372,085.95

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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.