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Finding the Fourth Proportional to 429,089.46, 592,143.57 and 238,133.58

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Solution

The fourth proportional to 429,089.46, 592,143.57 and 238,133.58 is: 328,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,089.46 : 592,143.57 = 238,133.58 : x
  2. Step 2: Convert to fraction form
    429,089.46/592,143.57 = 238,133.58/x
  3. Step 3: Cross multiply
    429,089.46x = 592,143.57 × 238,133.58
  4. Step 4: Simplify right side
    429,089.46x = 141,009,268,198.08
  5. Step 5: Solve for x
    x = 141,009,268,198.08/429,089.46
  6. Step 6: Final answer
    x = 328,624.40

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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.