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Finding the Fourth Proportional to 547,751.60, 821,627.40 and 370,804.40

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Solution

The fourth proportional to 547,751.60, 821,627.40 and 370,804.40 is: 556,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,751.60 : 821,627.40 = 370,804.40 : x
  2. Step 2: Convert to fraction form
    547,751.60/821,627.40 = 370,804.40/x
  3. Step 3: Cross multiply
    547,751.60x = 821,627.40 × 370,804.40
  4. Step 4: Simplify right side
    547,751.60x = 304,663,055,080.56
  5. Step 5: Solve for x
    x = 304,663,055,080.56/547,751.60
  6. Step 6: Final answer
    x = 556,206.60

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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.