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Finding the Fourth Proportional to 865,476.86, 1,194,361.69 and 473,017.71

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Solution

The fourth proportional to 865,476.86, 1,194,361.69 and 473,017.71 is: 652,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,476.86 : 1,194,361.69 = 473,017.71 : x
  2. Step 2: Convert to fraction form
    865,476.86/1,194,361.69 = 473,017.71/x
  3. Step 3: Cross multiply
    865,476.86x = 1,194,361.69 × 473,017.71
  4. Step 4: Simplify right side
    865,476.86x = 564,954,225,543.72
  5. Step 5: Solve for x
    x = 564,954,225,543.72/865,476.86
  6. Step 6: Final answer
    x = 652,766.42

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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.