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Finding the Fourth Proportional to 294,718.50, 406,711.53 and 160,582.50

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Solution

The fourth proportional to 294,718.50, 406,711.53 and 160,582.50 is: 221,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,718.50 : 406,711.53 = 160,582.50 : x
  2. Step 2: Convert to fraction form
    294,718.50/406,711.53 = 160,582.50/x
  3. Step 3: Cross multiply
    294,718.50x = 406,711.53 × 160,582.50
  4. Step 4: Simplify right side
    294,718.50x = 65,310,754,266.23
  5. Step 5: Solve for x
    x = 65,310,754,266.23/294,718.50
  6. Step 6: Final answer
    x = 221,603.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.