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Finding the Fourth Proportional to 1,314,309.83, 1,961,957.49 and 1,154,877.53

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Solution

The fourth proportional to 1,314,309.83, 1,961,957.49 and 1,154,877.53 is: 1,723,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,309.83 : 1,961,957.49 = 1,154,877.53 : x
  2. Step 2: Convert to fraction form
    1,314,309.83/1,961,957.49 = 1,154,877.53/x
  3. Step 3: Cross multiply
    1,314,309.83x = 1,961,957.49 × 1,154,877.53
  4. Step 4: Simplify right side
    1,314,309.83x = 2,265,820,605,875.62
  5. Step 5: Solve for x
    x = 2,265,820,605,875.62/1,314,309.83
  6. Step 6: Final answer
    x = 1,723,962.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.