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Finding the Fourth Proportional to 532,924.74, 735,430.59 and 300,330

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Solution

The fourth proportional to 532,924.74, 735,430.59 and 300,330 is: 414,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,924.74 : 735,430.59 = 300,330 : x
  2. Step 2: Convert to fraction form
    532,924.74/735,430.59 = 300,330/x
  3. Step 3: Cross multiply
    532,924.74x = 735,430.59 × 300,330
  4. Step 4: Simplify right side
    532,924.74x = 220,871,869,094.70
  5. Step 5: Solve for x
    x = 220,871,869,094.70/532,924.74
  6. Step 6: Final answer
    x = 414,452.27

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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.