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Finding the Fourth Proportional to 595,223.04, 820,558.08 and 425,395.20

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Solution

The fourth proportional to 595,223.04, 820,558.08 and 425,395.20 is: 586,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,223.04 : 820,558.08 = 425,395.20 : x
  2. Step 2: Convert to fraction form
    595,223.04/820,558.08 = 425,395.20/x
  3. Step 3: Cross multiply
    595,223.04x = 820,558.08 × 425,395.20
  4. Step 4: Simplify right side
    595,223.04x = 349,061,468,553.22
  5. Step 5: Solve for x
    x = 349,061,468,553.22/595,223.04
  6. Step 6: Final answer
    x = 586,438.10

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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.