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Finding the Fourth Proportional to 430,698.93, 594,358.59 and 239,712.40

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Solution

The fourth proportional to 430,698.93, 594,358.59 and 239,712.40 is: 330,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,698.93 : 594,358.59 = 239,712.40 : x
  2. Step 2: Convert to fraction form
    430,698.93/594,358.59 = 239,712.40/x
  3. Step 3: Cross multiply
    430,698.93x = 594,358.59 × 239,712.40
  4. Step 4: Simplify right side
    430,698.93x = 142,475,124,069.52
  5. Step 5: Solve for x
    x = 142,475,124,069.52/430,698.93
  6. Step 6: Final answer
    x = 330,799.81

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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.