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Finding the Fourth Proportional to 488,946.30, 733,419.45 and 370,848.30

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Solution

The fourth proportional to 488,946.30, 733,419.45 and 370,848.30 is: 556,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,946.30 : 733,419.45 = 370,848.30 : x
  2. Step 2: Convert to fraction form
    488,946.30/733,419.45 = 370,848.30/x
  3. Step 3: Cross multiply
    488,946.30x = 733,419.45 × 370,848.30
  4. Step 4: Simplify right side
    488,946.30x = 271,987,356,219.44
  5. Step 5: Solve for x
    x = 271,987,356,219.44/488,946.30
  6. Step 6: Final answer
    x = 556,272.45

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Double scale
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Similar ratio
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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.