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Finding the Fourth Proportional to 860,996, 1,188,185.36 and 473,855.98

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Solution

The fourth proportional to 860,996, 1,188,185.36 and 473,855.98 is: 653,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,996 : 1,188,185.36 = 473,855.98 : x
  2. Step 2: Convert to fraction form
    860,996/1,188,185.36 = 473,855.98/x
  3. Step 3: Cross multiply
    860,996x = 1,188,185.36 × 473,855.98
  4. Step 4: Simplify right side
    860,996x = 563,028,738,184.45
  5. Step 5: Solve for x
    x = 563,028,738,184.45/860,996
  6. Step 6: Final answer
    x = 653,927.24

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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.