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Finding the Fourth Proportional to 525,231.07, 724,809.03 and 321,267.01

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Solution

The fourth proportional to 525,231.07, 724,809.03 and 321,267.01 is: 443,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,231.07 : 724,809.03 = 321,267.01 : x
  2. Step 2: Convert to fraction form
    525,231.07/724,809.03 = 321,267.01/x
  3. Step 3: Cross multiply
    525,231.07x = 724,809.03 × 321,267.01
  4. Step 4: Simplify right side
    525,231.07x = 232,857,226,615.67
  5. Step 5: Solve for x
    x = 232,857,226,615.67/525,231.07
  6. Step 6: Final answer
    x = 443,342.45

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Similar ratio
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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.