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Finding the Fourth Proportional to 623,509.44, 860,442.84 and 337,029.36

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Solution

The fourth proportional to 623,509.44, 860,442.84 and 337,029.36 is: 465,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,509.44 : 860,442.84 = 337,029.36 : x
  2. Step 2: Convert to fraction form
    623,509.44/860,442.84 = 337,029.36/x
  3. Step 3: Cross multiply
    623,509.44x = 860,442.84 × 337,029.36
  4. Step 4: Simplify right side
    623,509.44x = 289,994,499,681.78
  5. Step 5: Solve for x
    x = 289,994,499,681.78/623,509.44
  6. Step 6: Final answer
    x = 465,100.42

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1.5x scale

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.