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Finding the Fourth Proportional to 530,010.20, 793,848.90 and 470,912.60

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Solution

The fourth proportional to 530,010.20, 793,848.90 and 470,912.60 is: 705,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,010.20 : 793,848.90 = 470,912.60 : x
  2. Step 2: Convert to fraction form
    530,010.20/793,848.90 = 470,912.60/x
  3. Step 3: Cross multiply
    530,010.20x = 793,848.90 × 470,912.60
  4. Step 4: Simplify right side
    530,010.20x = 373,833,449,506.14
  5. Step 5: Solve for x
    x = 373,833,449,506.14/530,010.20
  6. Step 6: Final answer
    x = 705,332.56

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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.