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Finding the Fourth Proportional to 446,762.16, 670,226.24 and 147,263.76

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Solution

The fourth proportional to 446,762.16, 670,226.24 and 147,263.76 is: 220,923.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,762.16 : 670,226.24 = 147,263.76 : x
  2. Step 2: Convert to fraction form
    446,762.16/670,226.24 = 147,263.76/x
  3. Step 3: Cross multiply
    446,762.16x = 670,226.24 × 147,263.76
  4. Step 4: Simplify right side
    446,762.16x = 98,700,036,153.06
  5. Step 5: Solve for x
    x = 98,700,036,153.06/446,762.16
  6. Step 6: Final answer
    x = 220,923.00

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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.