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Finding the Fourth Proportional to 587,750.94, 811,095.57 and 342,745.58

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Solution

The fourth proportional to 587,750.94, 811,095.57 and 342,745.58 is: 472,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,750.94 : 811,095.57 = 342,745.58 : x
  2. Step 2: Convert to fraction form
    587,750.94/811,095.57 = 342,745.58/x
  3. Step 3: Cross multiply
    587,750.94x = 811,095.57 × 342,745.58
  4. Step 4: Simplify right side
    587,750.94x = 277,999,417,519.60
  5. Step 5: Solve for x
    x = 277,999,417,519.60/587,750.94
  6. Step 6: Final answer
    x = 472,988.47

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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.