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Finding the Fourth Proportional to 710,608.98, 980,740.40 and 452,403.44

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Solution

The fourth proportional to 710,608.98, 980,740.40 and 452,403.44 is: 624,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,608.98 : 980,740.40 = 452,403.44 : x
  2. Step 2: Convert to fraction form
    710,608.98/980,740.40 = 452,403.44/x
  3. Step 3: Cross multiply
    710,608.98x = 980,740.40 × 452,403.44
  4. Step 4: Simplify right side
    710,608.98x = 443,690,333,158.83
  5. Step 5: Solve for x
    x = 443,690,333,158.83/710,608.98
  6. Step 6: Final answer
    x = 624,380.42

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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.