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Finding the Fourth Proportional to 475,076.36, 655,605.66 and 260,220.01

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Solution

The fourth proportional to 475,076.36, 655,605.66 and 260,220.01 is: 359,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,076.36 : 655,605.66 = 260,220.01 : x
  2. Step 2: Convert to fraction form
    475,076.36/655,605.66 = 260,220.01/x
  3. Step 3: Cross multiply
    475,076.36x = 655,605.66 × 260,220.01
  4. Step 4: Simplify right side
    475,076.36x = 170,601,710,100.16
  5. Step 5: Solve for x
    x = 170,601,710,100.16/475,076.36
  6. Step 6: Final answer
    x = 359,103.77

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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.