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Finding the Fourth Proportional to 556,181.96, 767,501.46 and 314,450.12

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Solution

The fourth proportional to 556,181.96, 767,501.46 and 314,450.12 is: 433,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,181.96 : 767,501.46 = 314,450.12 : x
  2. Step 2: Convert to fraction form
    556,181.96/767,501.46 = 314,450.12/x
  3. Step 3: Cross multiply
    556,181.96x = 767,501.46 × 314,450.12
  4. Step 4: Simplify right side
    556,181.96x = 241,340,926,197.18
  5. Step 5: Solve for x
    x = 241,340,926,197.18/556,181.96
  6. Step 6: Final answer
    x = 433,924.41

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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.