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Finding the Fourth Proportional to 965,886.80, 1,448,830.20 and 606,635.60

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Solution

The fourth proportional to 965,886.80, 1,448,830.20 and 606,635.60 is: 909,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,886.80 : 1,448,830.20 = 606,635.60 : x
  2. Step 2: Convert to fraction form
    965,886.80/1,448,830.20 = 606,635.60/x
  3. Step 3: Cross multiply
    965,886.80x = 1,448,830.20 × 606,635.60
  4. Step 4: Simplify right side
    965,886.80x = 878,911,977,675.12
  5. Step 5: Solve for x
    x = 878,911,977,675.12/965,886.80
  6. Step 6: Final answer
    x = 909,953.40

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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.