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Finding the Fourth Proportional to 985,704, 1,360,272 and 532,994.88

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Solution

The fourth proportional to 985,704, 1,360,272 and 532,994.88 is: 735,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,704 : 1,360,272 = 532,994.88 : x
  2. Step 2: Convert to fraction form
    985,704/1,360,272 = 532,994.88/x
  3. Step 3: Cross multiply
    985,704x = 1,360,272 × 532,994.88
  4. Step 4: Simplify right side
    985,704x = 725,018,011,407.36
  5. Step 5: Solve for x
    x = 725,018,011,407.36/985,704
  6. Step 6: Final answer
    x = 735,533.19

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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.