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Finding the Fourth Proportional to 446,072.64, 615,580.83 and 242,123.59

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Solution

The fourth proportional to 446,072.64, 615,580.83 and 242,123.59 is: 334,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,072.64 : 615,580.83 = 242,123.59 : x
  2. Step 2: Convert to fraction form
    446,072.64/615,580.83 = 242,123.59/x
  3. Step 3: Cross multiply
    446,072.64x = 615,580.83 × 242,123.59
  4. Step 4: Simplify right side
    446,072.64x = 149,046,641,264.26
  5. Step 5: Solve for x
    x = 149,046,641,264.26/446,072.64
  6. Step 6: Final answer
    x = 334,130.88

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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.