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Finding the Fourth Proportional to 985,718.08, 1,360,290 and 533,008

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Solution

The fourth proportional to 985,718.08, 1,360,290 and 533,008 is: 735,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,718.08 : 1,360,290 = 533,008 : x
  2. Step 2: Convert to fraction form
    985,718.08/1,360,290 = 533,008/x
  3. Step 3: Cross multiply
    985,718.08x = 1,360,290 × 533,008
  4. Step 4: Simplify right side
    985,718.08x = 725,045,452,320
  5. Step 5: Solve for x
    x = 725,045,452,320/985,718.08
  6. Step 6: Final answer
    x = 735,550.53

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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.