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Finding the Fourth Proportional to 430,655.74, 594,299.13 and 239,669.08

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Solution

The fourth proportional to 430,655.74, 594,299.13 and 239,669.08 is: 330,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,655.74 : 594,299.13 = 239,669.08 : x
  2. Step 2: Convert to fraction form
    430,655.74/594,299.13 = 239,669.08/x
  3. Step 3: Cross multiply
    430,655.74x = 594,299.13 × 239,669.08
  4. Step 4: Simplify right side
    430,655.74x = 142,435,123,347.39
  5. Step 5: Solve for x
    x = 142,435,123,347.39/430,655.74
  6. Step 6: Final answer
    x = 330,740.10

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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.