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Finding the Fourth Proportional to 970,871.10, 1,456,805.64 and 744,620.18

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Solution

The fourth proportional to 970,871.10, 1,456,805.64 and 744,620.18 is: 1,117,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,871.10 : 1,456,805.64 = 744,620.18 : x
  2. Step 2: Convert to fraction form
    970,871.10/1,456,805.64 = 744,620.18/x
  3. Step 3: Cross multiply
    970,871.10x = 1,456,805.64 × 744,620.18
  4. Step 4: Simplify right side
    970,871.10x = 1,084,766,877,881.82
  5. Step 5: Solve for x
    x = 1,084,766,877,881.82/970,871.10
  6. Step 6: Final answer
    x = 1,117,312.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.