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Finding the Fourth Proportional to 708,657.60, 1,060,653.60 and 624,676.80

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Solution

The fourth proportional to 708,657.60, 1,060,653.60 and 624,676.80 is: 934,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,657.60 : 1,060,653.60 = 624,676.80 : x
  2. Step 2: Convert to fraction form
    708,657.60/1,060,653.60 = 624,676.80/x
  3. Step 3: Cross multiply
    708,657.60x = 1,060,653.60 × 624,676.80
  4. Step 4: Simplify right side
    708,657.60x = 662,565,696,756.48
  5. Step 5: Solve for x
    x = 662,565,696,756.48/708,657.60
  6. Step 6: Final answer
    x = 934,958.85

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1.5x scale

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.