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Finding the Fourth Proportional to 364,656.80, 546,985.20 and 230,812.40

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Solution

The fourth proportional to 364,656.80, 546,985.20 and 230,812.40 is: 346,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,656.80 : 546,985.20 = 230,812.40 : x
  2. Step 2: Convert to fraction form
    364,656.80/546,985.20 = 230,812.40/x
  3. Step 3: Cross multiply
    364,656.80x = 546,985.20 × 230,812.40
  4. Step 4: Simplify right side
    364,656.80x = 126,250,966,776.48
  5. Step 5: Solve for x
    x = 126,250,966,776.48/364,656.80
  6. Step 6: Final answer
    x = 346,218.60

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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.