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Finding the Fourth Proportional to 523,633.80, 723,040.76 and 426,852.84

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Solution

The fourth proportional to 523,633.80, 723,040.76 and 426,852.84 is: 589,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,633.80 : 723,040.76 = 426,852.84 : x
  2. Step 2: Convert to fraction form
    523,633.80/723,040.76 = 426,852.84/x
  3. Step 3: Cross multiply
    523,633.80x = 723,040.76 × 426,852.84
  4. Step 4: Simplify right side
    523,633.80x = 308,632,001,841.76
  5. Step 5: Solve for x
    x = 308,632,001,841.76/523,633.80
  6. Step 6: Final answer
    x = 589,404.28

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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.