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Finding the Fourth Proportional to 560,490.54, 840,712.27 and 260,868.06

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Solution

The fourth proportional to 560,490.54, 840,712.27 and 260,868.06 is: 391,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,490.54 : 840,712.27 = 260,868.06 : x
  2. Step 2: Convert to fraction form
    560,490.54/840,712.27 = 260,868.06/x
  3. Step 3: Cross multiply
    560,490.54x = 840,712.27 × 260,868.06
  4. Step 4: Simplify right side
    560,490.54x = 219,314,978,893.10
  5. Step 5: Solve for x
    x = 219,314,978,893.10/560,490.54
  6. Step 6: Final answer
    x = 391,291.13

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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.