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Finding the Fourth Proportional to 446,762.64, 670,226.98 and 147,264.18

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Solution

The fourth proportional to 446,762.64, 670,226.98 and 147,264.18 is: 220,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,762.64 : 670,226.98 = 147,264.18 : x
  2. Step 2: Convert to fraction form
    446,762.64/670,226.98 = 147,264.18/x
  3. Step 3: Cross multiply
    446,762.64x = 670,226.98 × 147,264.18
  4. Step 4: Simplify right side
    446,762.64x = 98,700,426,623.58
  5. Step 5: Solve for x
    x = 98,700,426,623.58/446,762.64
  6. Step 6: Final answer
    x = 220,923.64

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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.