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Finding the Fourth Proportional to 647,594.20, 971,391.30 and 589,533.40

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Solution

The fourth proportional to 647,594.20, 971,391.30 and 589,533.40 is: 884,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,594.20 : 971,391.30 = 589,533.40 : x
  2. Step 2: Convert to fraction form
    647,594.20/971,391.30 = 589,533.40/x
  3. Step 3: Cross multiply
    647,594.20x = 971,391.30 × 589,533.40
  4. Step 4: Simplify right side
    647,594.20x = 572,667,615,819.42
  5. Step 5: Solve for x
    x = 572,667,615,819.42/647,594.20
  6. Step 6: Final answer
    x = 884,300.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.