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Finding the Fourth Proportional to 430,071.42, 593,518.82 and 239,088

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Solution

The fourth proportional to 430,071.42, 593,518.82 and 239,088 is: 329,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,071.42 : 593,518.82 = 239,088 : x
  2. Step 2: Convert to fraction form
    430,071.42/593,518.82 = 239,088/x
  3. Step 3: Cross multiply
    430,071.42x = 593,518.82 × 239,088
  4. Step 4: Simplify right side
    430,071.42x = 141,903,226,440.72
  5. Step 5: Solve for x
    x = 141,903,226,440.72/430,071.42
  6. Step 6: Final answer
    x = 329,952.70

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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.