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Finding the Fourth Proportional to 612,099.60, 918,149.40 and 606,194.70

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Solution

The fourth proportional to 612,099.60, 918,149.40 and 606,194.70 is: 909,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,099.60 : 918,149.40 = 606,194.70 : x
  2. Step 2: Convert to fraction form
    612,099.60/918,149.40 = 606,194.70/x
  3. Step 3: Cross multiply
    612,099.60x = 918,149.40 × 606,194.70
  4. Step 4: Simplify right side
    612,099.60x = 556,577,300,088.18
  5. Step 5: Solve for x
    x = 556,577,300,088.18/612,099.60
  6. Step 6: Final answer
    x = 909,292.05

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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.