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Finding the Fourth Proportional to 985,573.90, 1,360,090.83 and 532,863.82

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Solution

The fourth proportional to 985,573.90, 1,360,090.83 and 532,863.82 is: 735,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,573.90 : 1,360,090.83 = 532,863.82 : x
  2. Step 2: Convert to fraction form
    985,573.90/1,360,090.83 = 532,863.82/x
  3. Step 3: Cross multiply
    985,573.90x = 1,360,090.83 × 532,863.82
  4. Step 4: Simplify right side
    985,573.90x = 724,743,195,220.77
  5. Step 5: Solve for x
    x = 724,743,195,220.77/985,573.90
  6. Step 6: Final answer
    x = 735,351.45

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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.