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Finding the Fourth Proportional to 446,090.19, 615,605.06 and 242,140.98

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Solution

The fourth proportional to 446,090.19, 615,605.06 and 242,140.98 is: 334,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,090.19 : 615,605.06 = 242,140.98 : x
  2. Step 2: Convert to fraction form
    446,090.19/615,605.06 = 242,140.98/x
  3. Step 3: Cross multiply
    446,090.19x = 615,605.06 × 242,140.98
  4. Step 4: Simplify right side
    446,090.19x = 149,063,211,310.65
  5. Step 5: Solve for x
    x = 149,063,211,310.65/446,090.19
  6. Step 6: Final answer
    x = 334,154.87

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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.