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Finding the Fourth Proportional to 556,519.89, 834,683.04 and 256,975.14

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Solution

The fourth proportional to 556,519.89, 834,683.04 and 256,975.14 is: 385,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,519.89 : 834,683.04 = 256,975.14 : x
  2. Step 2: Convert to fraction form
    556,519.89/834,683.04 = 256,975.14/x
  3. Step 3: Cross multiply
    556,519.89x = 834,683.04 × 256,975.14
  4. Step 4: Simplify right side
    556,519.89x = 214,492,791,059.63
  5. Step 5: Solve for x
    x = 214,492,791,059.63/556,519.89
  6. Step 6: Final answer
    x = 385,418.01

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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.