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Finding the Fourth Proportional to 481,425.51, 722,208.69 and 144,492.81

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Solution

The fourth proportional to 481,425.51, 722,208.69 and 144,492.81 is: 216,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,425.51 : 722,208.69 = 144,492.81 : x
  2. Step 2: Convert to fraction form
    481,425.51/722,208.69 = 144,492.81/x
  3. Step 3: Cross multiply
    481,425.51x = 722,208.69 × 144,492.81
  4. Step 4: Simplify right side
    481,425.51x = 104,353,963,024.52
  5. Step 5: Solve for x
    x = 104,353,963,024.52/481,425.51
  6. Step 6: Final answer
    x = 216,760.35

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1.5x scale

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.