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Finding the Fourth Proportional to 624,722.76, 937,075.77 and 151,412.22

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Solution

The fourth proportional to 624,722.76, 937,075.77 and 151,412.22 is: 227,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,722.76 : 937,075.77 = 151,412.22 : x
  2. Step 2: Convert to fraction form
    624,722.76/937,075.77 = 151,412.22/x
  3. Step 3: Cross multiply
    624,722.76x = 937,075.77 × 151,412.22
  4. Step 4: Simplify right side
    624,722.76x = 141,884,722,643.91
  5. Step 5: Solve for x
    x = 141,884,722,643.91/624,722.76
  6. Step 6: Final answer
    x = 227,116.30

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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.