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Finding the Fourth Proportional to 549,229.84, 758,016.74 and 307,527.98

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Solution

The fourth proportional to 549,229.84, 758,016.74 and 307,527.98 is: 424,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,229.84 : 758,016.74 = 307,527.98 : x
  2. Step 2: Convert to fraction form
    549,229.84/758,016.74 = 307,527.98/x
  3. Step 3: Cross multiply
    549,229.84x = 758,016.74 × 307,527.98
  4. Step 4: Simplify right side
    549,229.84x = 233,111,356,858.39
  5. Step 5: Solve for x
    x = 233,111,356,858.39/549,229.84
  6. Step 6: Final answer
    x = 424,433.16

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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.