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Finding the Fourth Proportional to 334,643.04, 461,808 and 181,681.20

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Solution

The fourth proportional to 334,643.04, 461,808 and 181,681.20 is: 250,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,643.04 : 461,808 = 181,681.20 : x
  2. Step 2: Convert to fraction form
    334,643.04/461,808 = 181,681.20/x
  3. Step 3: Cross multiply
    334,643.04x = 461,808 × 181,681.20
  4. Step 4: Simplify right side
    334,643.04x = 83,901,831,609.60
  5. Step 5: Solve for x
    x = 83,901,831,609.60/334,643.04
  6. Step 6: Final answer
    x = 250,720.38

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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.