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Finding the Fourth Proportional to 417,779.64, 576,537.08 and 226,793.16

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Solution

The fourth proportional to 417,779.64, 576,537.08 and 226,793.16 is: 312,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,779.64 : 576,537.08 = 226,793.16 : x
  2. Step 2: Convert to fraction form
    417,779.64/576,537.08 = 226,793.16/x
  3. Step 3: Cross multiply
    417,779.64x = 576,537.08 × 226,793.16
  4. Step 4: Simplify right side
    417,779.64x = 130,754,666,230.37
  5. Step 5: Solve for x
    x = 130,754,666,230.37/417,779.64
  6. Step 6: Final answer
    x = 312,975.20

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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.