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Finding the Fourth Proportional to 549,850.55, 758,802.94 and 308,187.05

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Solution

The fourth proportional to 549,850.55, 758,802.94 and 308,187.05 is: 425,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,850.55 : 758,802.94 = 308,187.05 : x
  2. Step 2: Convert to fraction form
    549,850.55/758,802.94 = 308,187.05/x
  3. Step 3: Cross multiply
    549,850.55x = 758,802.94 × 308,187.05
  4. Step 4: Simplify right side
    549,850.55x = 233,853,235,045.45
  5. Step 5: Solve for x
    x = 233,853,235,045.45/549,850.55
  6. Step 6: Final answer
    x = 425,303.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.