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Finding the Fourth Proportional to 970,963.80, 1,457,101.80 and 544,498.80

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Solution

The fourth proportional to 970,963.80, 1,457,101.80 and 544,498.80 is: 817,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,963.80 : 1,457,101.80 = 544,498.80 : x
  2. Step 2: Convert to fraction form
    970,963.80/1,457,101.80 = 544,498.80/x
  3. Step 3: Cross multiply
    970,963.80x = 1,457,101.80 × 544,498.80
  4. Step 4: Simplify right side
    970,963.80x = 793,390,181,577.84
  5. Step 5: Solve for x
    x = 793,390,181,577.84/970,963.80
  6. Step 6: Final answer
    x = 817,116.13

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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.