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Finding the Fourth Proportional to 430,258.95, 593,699.76 and 239,235.57

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Solution

The fourth proportional to 430,258.95, 593,699.76 and 239,235.57 is: 330,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,258.95 : 593,699.76 = 239,235.57 : x
  2. Step 2: Convert to fraction form
    430,258.95/593,699.76 = 239,235.57/x
  3. Step 3: Cross multiply
    430,258.95x = 593,699.76 × 239,235.57
  4. Step 4: Simplify right side
    430,258.95x = 142,034,100,492.46
  5. Step 5: Solve for x
    x = 142,034,100,492.46/430,258.95
  6. Step 6: Final answer
    x = 330,113.06

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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.