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Finding the Fourth Proportional to 523,634.04, 723,041.10 and 426,853.08

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Solution

The fourth proportional to 523,634.04, 723,041.10 and 426,853.08 is: 589,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,634.04 : 723,041.10 = 426,853.08 : x
  2. Step 2: Convert to fraction form
    523,634.04/723,041.10 = 426,853.08/x
  3. Step 3: Cross multiply
    523,634.04x = 723,041.10 × 426,853.08
  4. Step 4: Simplify right side
    523,634.04x = 308,632,320,501.59
  5. Step 5: Solve for x
    x = 308,632,320,501.59/523,634.04
  6. Step 6: Final answer
    x = 589,404.62

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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.