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Finding the Fourth Proportional to 417,765.84, 576,517.59 and 226,779.36

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Solution

The fourth proportional to 417,765.84, 576,517.59 and 226,779.36 is: 312,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,765.84 : 576,517.59 = 226,779.36 : x
  2. Step 2: Convert to fraction form
    417,765.84/576,517.59 = 226,779.36/x
  3. Step 3: Cross multiply
    417,765.84x = 576,517.59 × 226,779.36
  4. Step 4: Simplify right side
    417,765.84x = 130,742,290,088.94
  5. Step 5: Solve for x
    x = 130,742,290,088.94/417,765.84
  6. Step 6: Final answer
    x = 312,955.91

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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.