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Finding the Fourth Proportional to 430,071.92, 593,519.51 and 239,088.50

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Solution

The fourth proportional to 430,071.92, 593,519.51 and 239,088.50 is: 329,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,071.92 : 593,519.51 = 239,088.50 : x
  2. Step 2: Convert to fraction form
    430,071.92/593,519.51 = 239,088.50/x
  3. Step 3: Cross multiply
    430,071.92x = 593,519.51 × 239,088.50
  4. Step 4: Simplify right side
    430,071.92x = 141,903,688,171.19
  5. Step 5: Solve for x
    x = 141,903,688,171.19/430,071.92
  6. Step 6: Final answer
    x = 329,953.39

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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.