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Finding the Fourth Proportional to 463,984.80, 695,977.20 and 370,672.80

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Solution

The fourth proportional to 463,984.80, 695,977.20 and 370,672.80 is: 556,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,984.80 : 695,977.20 = 370,672.80 : x
  2. Step 2: Convert to fraction form
    463,984.80/695,977.20 = 370,672.80/x
  3. Step 3: Cross multiply
    463,984.80x = 695,977.20 × 370,672.80
  4. Step 4: Simplify right side
    463,984.80x = 257,979,817,460.16
  5. Step 5: Solve for x
    x = 257,979,817,460.16/463,984.80
  6. Step 6: Final answer
    x = 556,009.20

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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.