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Finding the Fourth Proportional to 605,090.90, 907,636.35 and 605,090.90

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Solution

The fourth proportional to 605,090.90, 907,636.35 and 605,090.90 is: 907,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,090.90 : 907,636.35 = 605,090.90 : x
  2. Step 2: Convert to fraction form
    605,090.90/907,636.35 = 605,090.90/x
  3. Step 3: Cross multiply
    605,090.90x = 907,636.35 × 605,090.90
  4. Step 4: Simplify right side
    605,090.90x = 549,202,495,894.22
  5. Step 5: Solve for x
    x = 549,202,495,894.22/605,090.90
  6. Step 6: Final answer
    x = 907,636.35

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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.