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Finding the Fourth Proportional to 458,915.79, 633,048.80 and 426,441.63

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Solution

The fourth proportional to 458,915.79, 633,048.80 and 426,441.63 is: 588,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,915.79 : 633,048.80 = 426,441.63 : x
  2. Step 2: Convert to fraction form
    458,915.79/633,048.80 = 426,441.63/x
  3. Step 3: Cross multiply
    458,915.79x = 633,048.80 × 426,441.63
  4. Step 4: Simplify right side
    458,915.79x = 269,958,360,009.34
  5. Step 5: Solve for x
    x = 269,958,360,009.34/458,915.79
  6. Step 6: Final answer
    x = 588,252.50

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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.