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Finding the Fourth Proportional to 417,038.85, 575,514.59 and 226,051.38

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Solution

The fourth proportional to 417,038.85, 575,514.59 and 226,051.38 is: 311,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,038.85 : 575,514.59 = 226,051.38 : x
  2. Step 2: Convert to fraction form
    417,038.85/575,514.59 = 226,051.38/x
  3. Step 3: Cross multiply
    417,038.85x = 575,514.59 × 226,051.38
  4. Step 4: Simplify right side
    417,038.85x = 130,095,867,279.63
  5. Step 5: Solve for x
    x = 130,095,867,279.63/417,038.85
  6. Step 6: Final answer
    x = 311,951.43

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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.