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Finding the Fourth Proportional to 365,580.36, 548,384.65 and 112,838.15

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Solution

The fourth proportional to 365,580.36, 548,384.65 and 112,838.15 is: 169,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,580.36 : 548,384.65 = 112,838.15 : x
  2. Step 2: Convert to fraction form
    365,580.36/548,384.65 = 112,838.15/x
  3. Step 3: Cross multiply
    365,580.36x = 548,384.65 × 112,838.15
  4. Step 4: Simplify right side
    365,580.36x = 61,878,710,483.26
  5. Step 5: Solve for x
    x = 61,878,710,483.26/365,580.36
  6. Step 6: Final answer
    x = 169,261.58

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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.