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Finding the Fourth Proportional to 610,440.40, 915,660.60 and 584,524.45

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Solution

The fourth proportional to 610,440.40, 915,660.60 and 584,524.45 is: 876,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,440.40 : 915,660.60 = 584,524.45 : x
  2. Step 2: Convert to fraction form
    610,440.40/915,660.60 = 584,524.45/x
  3. Step 3: Cross multiply
    610,440.40x = 915,660.60 × 584,524.45
  4. Step 4: Simplify right side
    610,440.40x = 535,226,008,601.67
  5. Step 5: Solve for x
    x = 535,226,008,601.67/610,440.40
  6. Step 6: Final answer
    x = 876,786.68

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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.