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Finding the Fourth Proportional to 985,939, 1,360,595.82 and 533,230

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Solution

The fourth proportional to 985,939, 1,360,595.82 and 533,230 is: 735,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,939 : 1,360,595.82 = 533,230 : x
  2. Step 2: Convert to fraction form
    985,939/1,360,595.82 = 533,230/x
  3. Step 3: Cross multiply
    985,939x = 1,360,595.82 × 533,230
  4. Step 4: Simplify right side
    985,939x = 725,510,509,098.60
  5. Step 5: Solve for x
    x = 725,510,509,098.60/985,939
  6. Step 6: Final answer
    x = 735,857.40

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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.