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Finding the Fourth Proportional to 865,476.60, 1,194,361.34 and 473,017.45

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Solution

The fourth proportional to 865,476.60, 1,194,361.34 and 473,017.45 is: 652,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,476.60 : 1,194,361.34 = 473,017.45 : x
  2. Step 2: Convert to fraction form
    865,476.60/1,194,361.34 = 473,017.45/x
  3. Step 3: Cross multiply
    865,476.60x = 1,194,361.34 × 473,017.45
  4. Step 4: Simplify right side
    865,476.60x = 564,953,755,425.38
  5. Step 5: Solve for x
    x = 564,953,755,425.38/865,476.60
  6. Step 6: Final answer
    x = 652,766.07

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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.