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Finding the Fourth Proportional to 446,665.95, 669,854.88 and 147,075.30

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Solution

The fourth proportional to 446,665.95, 669,854.88 and 147,075.30 is: 220,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665.95 : 669,854.88 = 147,075.30 : x
  2. Step 2: Convert to fraction form
    446,665.95/669,854.88 = 147,075.30/x
  3. Step 3: Cross multiply
    446,665.95x = 669,854.88 × 147,075.30
  4. Step 4: Simplify right side
    446,665.95x = 98,519,107,432.46
  5. Step 5: Solve for x
    x = 98,519,107,432.46/446,665.95
  6. Step 6: Final answer
    x = 220,565.52

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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.