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Finding the Fourth Proportional to 484,094.90, 668,059.55 and 269,235.06

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Solution

The fourth proportional to 484,094.90, 668,059.55 and 269,235.06 is: 371,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,094.90 : 668,059.55 = 269,235.06 : x
  2. Step 2: Convert to fraction form
    484,094.90/668,059.55 = 269,235.06/x
  3. Step 3: Cross multiply
    484,094.90x = 668,059.55 × 269,235.06
  4. Step 4: Simplify right side
    484,094.90x = 179,865,051,681.65
  5. Step 5: Solve for x
    x = 179,865,051,681.65/484,094.90
  6. Step 6: Final answer
    x = 371,549.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.