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Finding the Fourth Proportional to 417,354.88, 575,939.28 and 233,590.72

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Solution

The fourth proportional to 417,354.88, 575,939.28 and 233,590.72 is: 322,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,354.88 : 575,939.28 = 233,590.72 : x
  2. Step 2: Convert to fraction form
    417,354.88/575,939.28 = 233,590.72/x
  3. Step 3: Cross multiply
    417,354.88x = 575,939.28 × 233,590.72
  4. Step 4: Simplify right side
    417,354.88x = 134,534,071,091.48
  5. Step 5: Solve for x
    x = 134,534,071,091.48/417,354.88
  6. Step 6: Final answer
    x = 322,349.34

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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.