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Finding the Fourth Proportional to 559,117.80, 838,676.70 and 470,544.30

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Solution

The fourth proportional to 559,117.80, 838,676.70 and 470,544.30 is: 705,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,117.80 : 838,676.70 = 470,544.30 : x
  2. Step 2: Convert to fraction form
    559,117.80/838,676.70 = 470,544.30/x
  3. Step 3: Cross multiply
    559,117.80x = 838,676.70 × 470,544.30
  4. Step 4: Simplify right side
    559,117.80x = 394,634,540,727.81
  5. Step 5: Solve for x
    x = 394,634,540,727.81/559,117.80
  6. Step 6: Final answer
    x = 705,816.45

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Similar ratio
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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.