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Finding the Fourth Proportional to 364,560.80, 546,841.20 and 348,814.40

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Solution

The fourth proportional to 364,560.80, 546,841.20 and 348,814.40 is: 523,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,560.80 : 546,841.20 = 348,814.40 : x
  2. Step 2: Convert to fraction form
    364,560.80/546,841.20 = 348,814.40/x
  3. Step 3: Cross multiply
    364,560.80x = 546,841.20 × 348,814.40
  4. Step 4: Simplify right side
    364,560.80x = 190,746,085,073.28
  5. Step 5: Solve for x
    x = 190,746,085,073.28/364,560.80
  6. Step 6: Final answer
    x = 523,221.60

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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.