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Finding the Fourth Proportional to 837,090.40, 1,255,635.60 and 837,090.40

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Solution

The fourth proportional to 837,090.40, 1,255,635.60 and 837,090.40 is: 1,255,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,090.40 : 1,255,635.60 = 837,090.40 : x
  2. Step 2: Convert to fraction form
    837,090.40/1,255,635.60 = 837,090.40/x
  3. Step 3: Cross multiply
    837,090.40x = 1,255,635.60 × 837,090.40
  4. Step 4: Simplify right side
    837,090.40x = 1,051,080,506,658.24
  5. Step 5: Solve for x
    x = 1,051,080,506,658.24/837,090.40
  6. Step 6: Final answer
    x = 1,255,635.60

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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.