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Finding the Fourth Proportional to 549,229.19, 758,015.83 and 307,527.32

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Solution

The fourth proportional to 549,229.19, 758,015.83 and 307,527.32 is: 424,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,229.19 : 758,015.83 = 307,527.32 : x
  2. Step 2: Convert to fraction form
    549,229.19/758,015.83 = 307,527.32/x
  3. Step 3: Cross multiply
    549,229.19x = 758,015.83 × 307,527.32
  4. Step 4: Simplify right side
    549,229.19x = 233,110,578,996.92
  5. Step 5: Solve for x
    x = 233,110,578,996.92/549,229.19
  6. Step 6: Final answer
    x = 424,432.25

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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.