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Finding the Fourth Proportional to 595,120.16, 820,903.20 and 353,239.04

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Solution

The fourth proportional to 595,120.16, 820,903.20 and 353,239.04 is: 487,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,120.16 : 820,903.20 = 353,239.04 : x
  2. Step 2: Convert to fraction form
    595,120.16/820,903.20 = 353,239.04/x
  3. Step 3: Cross multiply
    595,120.16x = 820,903.20 × 353,239.04
  4. Step 4: Simplify right side
    595,120.16x = 289,975,058,300.93
  5. Step 5: Solve for x
    x = 289,975,058,300.93/595,120.16
  6. Step 6: Final answer
    x = 487,254.64

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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.