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Finding the Fourth Proportional to 268,549.36, 370,602.64 and 153,838.04

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Solution

The fourth proportional to 268,549.36, 370,602.64 and 153,838.04 is: 212,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,549.36 : 370,602.64 = 153,838.04 : x
  2. Step 2: Convert to fraction form
    268,549.36/370,602.64 = 153,838.04/x
  3. Step 3: Cross multiply
    268,549.36x = 370,602.64 × 153,838.04
  4. Step 4: Simplify right side
    268,549.36x = 57,012,783,756.43
  5. Step 5: Solve for x
    x = 57,012,783,756.43/268,549.36
  6. Step 6: Final answer
    x = 212,299.09

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1.5x scale

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.