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Finding the Fourth Proportional to 527,143.08, 726,913.71 and 450,914.52

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Solution

The fourth proportional to 527,143.08, 726,913.71 and 450,914.52 is: 621,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,143.08 : 726,913.71 = 450,914.52 : x
  2. Step 2: Convert to fraction form
    527,143.08/726,913.71 = 450,914.52/x
  3. Step 3: Cross multiply
    527,143.08x = 726,913.71 × 450,914.52
  4. Step 4: Simplify right side
    527,143.08x = 327,775,946,626.07
  5. Step 5: Solve for x
    x = 327,775,946,626.07/527,143.08
  6. Step 6: Final answer
    x = 621,796.93

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1.5x scale

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.