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Finding the Fourth Proportional to 556,430.64, 767,591.58 and 352,137.24

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Solution

The fourth proportional to 556,430.64, 767,591.58 and 352,137.24 is: 485,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,430.64 : 767,591.58 = 352,137.24 : x
  2. Step 2: Convert to fraction form
    556,430.64/767,591.58 = 352,137.24/x
  3. Step 3: Cross multiply
    556,430.64x = 767,591.58 × 352,137.24
  4. Step 4: Simplify right side
    556,430.64x = 270,297,580,428.44
  5. Step 5: Solve for x
    x = 270,297,580,428.44/556,430.64
  6. Step 6: Final answer
    x = 485,770.48

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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.