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Finding the Fourth Proportional to 369,080.70, 553,621.05 and 236,111.10

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Solution

The fourth proportional to 369,080.70, 553,621.05 and 236,111.10 is: 354,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,080.70 : 553,621.05 = 236,111.10 : x
  2. Step 2: Convert to fraction form
    369,080.70/553,621.05 = 236,111.10/x
  3. Step 3: Cross multiply
    369,080.70x = 553,621.05 × 236,111.10
  4. Step 4: Simplify right side
    369,080.70x = 130,716,075,098.66
  5. Step 5: Solve for x
    x = 130,716,075,098.66/369,080.70
  6. Step 6: Final answer
    x = 354,166.65

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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.