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Finding the Fourth Proportional to 554,991.04, 832,392.63 and 155,539.87

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Solution

The fourth proportional to 554,991.04, 832,392.63 and 155,539.87 is: 233,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,991.04 : 832,392.63 = 155,539.87 : x
  2. Step 2: Convert to fraction form
    554,991.04/832,392.63 = 155,539.87/x
  3. Step 3: Cross multiply
    554,991.04x = 832,392.63 × 155,539.87
  4. Step 4: Simplify right side
    554,991.04x = 129,470,241,459.16
  5. Step 5: Solve for x
    x = 129,470,241,459.16/554,991.04
  6. Step 6: Final answer
    x = 233,283.48

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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.