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Finding the Fourth Proportional to 432,767.58, 648,270.09 and 353,089.50

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Solution

The fourth proportional to 432,767.58, 648,270.09 and 353,089.50 is: 528,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,767.58 : 648,270.09 = 353,089.50 : x
  2. Step 2: Convert to fraction form
    432,767.58/648,270.09 = 353,089.50/x
  3. Step 3: Cross multiply
    432,767.58x = 648,270.09 × 353,089.50
  4. Step 4: Simplify right side
    432,767.58x = 228,897,361,943.06
  5. Step 5: Solve for x
    x = 228,897,361,943.06/432,767.58
  6. Step 6: Final answer
    x = 528,915.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.