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Finding the Fourth Proportional to 556,670.60, 834,349.80 and 416,265.20

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Solution

The fourth proportional to 556,670.60, 834,349.80 and 416,265.20 is: 623,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,670.60 : 834,349.80 = 416,265.20 : x
  2. Step 2: Convert to fraction form
    556,670.60/834,349.80 = 416,265.20/x
  3. Step 3: Cross multiply
    556,670.60x = 834,349.80 × 416,265.20
  4. Step 4: Simplify right side
    556,670.60x = 347,310,786,366.96
  5. Step 5: Solve for x
    x = 347,310,786,366.96/556,670.60
  6. Step 6: Final answer
    x = 623,907.18

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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.