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Finding the Fourth Proportional to 546,768.30, 820,152.45 and 470,660.70

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Solution

The fourth proportional to 546,768.30, 820,152.45 and 470,660.70 is: 705,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,768.30 : 820,152.45 = 470,660.70 : x
  2. Step 2: Convert to fraction form
    546,768.30/820,152.45 = 470,660.70/x
  3. Step 3: Cross multiply
    546,768.30x = 820,152.45 × 470,660.70
  4. Step 4: Simplify right side
    546,768.30x = 386,013,526,223.72
  5. Step 5: Solve for x
    x = 386,013,526,223.72/546,768.30
  6. Step 6: Final answer
    x = 705,991.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.