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Finding the Fourth Proportional to 523,632.35, 723,038.77 and 426,851.39

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Solution

The fourth proportional to 523,632.35, 723,038.77 and 426,851.39 is: 589,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,632.35 : 723,038.77 = 426,851.39 : x
  2. Step 2: Convert to fraction form
    523,632.35/723,038.77 = 426,851.39/x
  3. Step 3: Cross multiply
    523,632.35x = 723,038.77 × 426,851.39
  4. Step 4: Simplify right side
    523,632.35x = 308,630,106,339.55
  5. Step 5: Solve for x
    x = 308,630,106,339.55/523,632.35
  6. Step 6: Final answer
    x = 589,402.29

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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.