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Finding the Fourth Proportional to 572,077.69, 857,784.26 and 216,897.95

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Solution

The fourth proportional to 572,077.69, 857,784.26 and 216,897.95 is: 325,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,077.69 : 857,784.26 = 216,897.95 : x
  2. Step 2: Convert to fraction form
    572,077.69/857,784.26 = 216,897.95/x
  3. Step 3: Cross multiply
    572,077.69x = 857,784.26 × 216,897.95
  4. Step 4: Simplify right side
    572,077.69x = 186,051,650,222.97
  5. Step 5: Solve for x
    x = 186,051,650,222.97/572,077.69
  6. Step 6: Final answer
    x = 325,220.95

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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.