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Finding the Fourth Proportional to 429,262.64, 592,409.34 and 238,279.24

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Solution

The fourth proportional to 429,262.64, 592,409.34 and 238,279.24 is: 328,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,262.64 : 592,409.34 = 238,279.24 : x
  2. Step 2: Convert to fraction form
    429,262.64/592,409.34 = 238,279.24/x
  3. Step 3: Cross multiply
    429,262.64x = 592,409.34 × 238,279.24
  4. Step 4: Simplify right side
    429,262.64x = 141,158,847,304.10
  5. Step 5: Solve for x
    x = 141,158,847,304.10/429,262.64
  6. Step 6: Final answer
    x = 328,840.28

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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.