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Finding the Fourth Proportional to 660,635.22, 911,420.19 and 467,327.10

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Solution

The fourth proportional to 660,635.22, 911,420.19 and 467,327.10 is: 644,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,635.22 : 911,420.19 = 467,327.10 : x
  2. Step 2: Convert to fraction form
    660,635.22/911,420.19 = 467,327.10/x
  3. Step 3: Cross multiply
    660,635.22x = 911,420.19 × 467,327.10
  4. Step 4: Simplify right side
    660,635.22x = 425,931,354,274.15
  5. Step 5: Solve for x
    x = 425,931,354,274.15/660,635.22
  6. Step 6: Final answer
    x = 644,730.01

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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.