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Finding the Fourth Proportional to 430,574.40, 594,191.52 and 239,583.24

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Solution

The fourth proportional to 430,574.40, 594,191.52 and 239,583.24 is: 330,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,574.40 : 594,191.52 = 239,583.24 : x
  2. Step 2: Convert to fraction form
    430,574.40/594,191.52 = 239,583.24/x
  3. Step 3: Cross multiply
    430,574.40x = 594,191.52 × 239,583.24
  4. Step 4: Simplify right side
    430,574.40x = 142,358,329,542.13
  5. Step 5: Solve for x
    x = 142,358,329,542.13/430,574.40
  6. Step 6: Final answer
    x = 330,624.23

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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.