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Finding the Fourth Proportional to 549,483.32, 823,228.31 and 405,744.96

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Solution

The fourth proportional to 549,483.32, 823,228.31 and 405,744.96 is: 607,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,483.32 : 823,228.31 = 405,744.96 : x
  2. Step 2: Convert to fraction form
    549,483.32/823,228.31 = 405,744.96/x
  3. Step 3: Cross multiply
    549,483.32x = 823,228.31 × 405,744.96
  4. Step 4: Simplify right side
    549,483.32x = 334,020,735,683.09
  5. Step 5: Solve for x
    x = 334,020,735,683.09/549,483.32
  6. Step 6: Final answer
    x = 607,881.49

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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.