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Finding the Fourth Proportional to 595,033.76, 821,031.10 and 353,392.13

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Solution

The fourth proportional to 595,033.76, 821,031.10 and 353,392.13 is: 487,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,033.76 : 821,031.10 = 353,392.13 : x
  2. Step 2: Convert to fraction form
    595,033.76/821,031.10 = 353,392.13/x
  3. Step 3: Cross multiply
    595,033.76x = 821,031.10 × 353,392.13
  4. Step 4: Simplify right side
    595,033.76x = 290,145,930,394.34
  5. Step 5: Solve for x
    x = 290,145,930,394.34/595,033.76
  6. Step 6: Final answer
    x = 487,612.55

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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.