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Finding the Fourth Proportional to 865,668.84, 1,194,600.60 and 483,698.76

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Solution

The fourth proportional to 865,668.84, 1,194,600.60 and 483,698.76 is: 667,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,668.84 : 1,194,600.60 = 483,698.76 : x
  2. Step 2: Convert to fraction form
    865,668.84/1,194,600.60 = 483,698.76/x
  3. Step 3: Cross multiply
    865,668.84x = 1,194,600.60 × 483,698.76
  4. Step 4: Simplify right side
    865,668.84x = 577,826,828,915.26
  5. Step 5: Solve for x
    x = 577,826,828,915.26/865,668.84
  6. Step 6: Final answer
    x = 667,491.77

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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.