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Finding the Fourth Proportional to 865,671.84, 1,194,604.74 and 483,701.76

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Solution

The fourth proportional to 865,671.84, 1,194,604.74 and 483,701.76 is: 667,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,671.84 : 1,194,604.74 = 483,701.76 : x
  2. Step 2: Convert to fraction form
    865,671.84/1,194,604.74 = 483,701.76/x
  3. Step 3: Cross multiply
    865,671.84x = 1,194,604.74 × 483,701.76
  4. Step 4: Simplify right side
    865,671.84x = 577,832,415,242.34
  5. Step 5: Solve for x
    x = 577,832,415,242.34/865,671.84
  6. Step 6: Final answer
    x = 667,495.91

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Double scale
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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.