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Finding the Fourth Proportional to 475,554.13, 656,259.94 and 260,697.78

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Solution

The fourth proportional to 475,554.13, 656,259.94 and 260,697.78 is: 359,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,554.13 : 656,259.94 = 260,697.78 : x
  2. Step 2: Convert to fraction form
    475,554.13/656,259.94 = 260,697.78/x
  3. Step 3: Cross multiply
    475,554.13x = 656,259.94 × 260,697.78
  4. Step 4: Simplify right side
    475,554.13x = 171,085,509,460.93
  5. Step 5: Solve for x
    x = 171,085,509,460.93/475,554.13
  6. Step 6: Final answer
    x = 359,760.33

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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.