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Finding the Fourth Proportional to 865,477.82, 1,194,363.04 and 473,018.70

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Solution

The fourth proportional to 865,477.82, 1,194,363.04 and 473,018.70 is: 652,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,477.82 : 1,194,363.04 = 473,018.70 : x
  2. Step 2: Convert to fraction form
    865,477.82/1,194,363.04 = 473,018.70/x
  3. Step 3: Cross multiply
    865,477.82x = 1,194,363.04 × 473,018.70
  4. Step 4: Simplify right side
    865,477.82x = 564,956,052,508.85
  5. Step 5: Solve for x
    x = 564,956,052,508.85/865,477.82
  6. Step 6: Final answer
    x = 652,767.80

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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.