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Finding the Fourth Proportional to 366,645.90, 549,968.85 and 307,596.90

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Solution

The fourth proportional to 366,645.90, 549,968.85 and 307,596.90 is: 461,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,645.90 : 549,968.85 = 307,596.90 : x
  2. Step 2: Convert to fraction form
    366,645.90/549,968.85 = 307,596.90/x
  3. Step 3: Cross multiply
    366,645.90x = 549,968.85 × 307,596.90
  4. Step 4: Simplify right side
    366,645.90x = 169,168,713,356.57
  5. Step 5: Solve for x
    x = 169,168,713,356.57/366,645.90
  6. Step 6: Final answer
    x = 461,395.35

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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.