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Finding the Fourth Proportional to 714,841.94, 985,648.47 and 533,238.59

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Solution

The fourth proportional to 714,841.94, 985,648.47 and 533,238.59 is: 735,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,841.94 : 985,648.47 = 533,238.59 : x
  2. Step 2: Convert to fraction form
    714,841.94/985,648.47 = 533,238.59/x
  3. Step 3: Cross multiply
    714,841.94x = 985,648.47 × 533,238.59
  4. Step 4: Simplify right side
    714,841.94x = 525,585,800,378.46
  5. Step 5: Solve for x
    x = 525,585,800,378.46/714,841.94
  6. Step 6: Final answer
    x = 735,247.57

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Double scale
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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.