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Finding the Fourth Proportional to 430,680.40, 594,358.40 and 249,400.24

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Solution

The fourth proportional to 430,680.40, 594,358.40 and 249,400.24 is: 344,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,680.40 : 594,358.40 = 249,400.24 : x
  2. Step 2: Convert to fraction form
    430,680.40/594,358.40 = 249,400.24/x
  3. Step 3: Cross multiply
    430,680.40x = 594,358.40 × 249,400.24
  4. Step 4: Simplify right side
    430,680.40x = 148,233,127,606.02
  5. Step 5: Solve for x
    x = 148,233,127,606.02/430,680.40
  6. Step 6: Final answer
    x = 344,183.59

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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.