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Finding the Fourth Proportional to 623,678.98, 860,675.11 and 337,199.06

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Solution

The fourth proportional to 623,678.98, 860,675.11 and 337,199.06 is: 465,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,678.98 : 860,675.11 = 337,199.06 : x
  2. Step 2: Convert to fraction form
    623,678.98/860,675.11 = 337,199.06/x
  3. Step 3: Cross multiply
    623,678.98x = 860,675.11 × 337,199.06
  4. Step 4: Simplify right side
    623,678.98x = 290,218,838,057.40
  5. Step 5: Solve for x
    x = 290,218,838,057.40/623,678.98
  6. Step 6: Final answer
    x = 465,333.69

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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.