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Finding the Fourth Proportional to 573,674.40, 860,511.60 and 570,175.20

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Solution

The fourth proportional to 573,674.40, 860,511.60 and 570,175.20 is: 855,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,674.40 : 860,511.60 = 570,175.20 : x
  2. Step 2: Convert to fraction form
    573,674.40/860,511.60 = 570,175.20/x
  3. Step 3: Cross multiply
    573,674.40x = 860,511.60 × 570,175.20
  4. Step 4: Simplify right side
    573,674.40x = 490,642,373,632.32
  5. Step 5: Solve for x
    x = 490,642,373,632.32/573,674.40
  6. Step 6: Final answer
    x = 855,262.80

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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.