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Finding the Fourth Proportional to 310,352.79, 464,883.33 and 299,646.21

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Solution

The fourth proportional to 310,352.79, 464,883.33 and 299,646.21 is: 448,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,352.79 : 464,883.33 = 299,646.21 : x
  2. Step 2: Convert to fraction form
    310,352.79/464,883.33 = 299,646.21/x
  3. Step 3: Cross multiply
    310,352.79x = 464,883.33 × 299,646.21
  4. Step 4: Simplify right side
    310,352.79x = 139,300,527,926.68
  5. Step 5: Solve for x
    x = 139,300,527,926.68/310,352.79
  6. Step 6: Final answer
    x = 448,845.74

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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.