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Finding the Fourth Proportional to 702,577.15, 969,590.73 and 430,660.15

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Solution

The fourth proportional to 702,577.15, 969,590.73 and 430,660.15 is: 594,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,577.15 : 969,590.73 = 430,660.15 : x
  2. Step 2: Convert to fraction form
    702,577.15/969,590.73 = 430,660.15/x
  3. Step 3: Cross multiply
    702,577.15x = 969,590.73 × 430,660.15
  4. Step 4: Simplify right side
    702,577.15x = 417,564,089,220.41
  5. Step 5: Solve for x
    x = 417,564,089,220.41/702,577.15
  6. Step 6: Final answer
    x = 594,332.01

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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.