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Finding the Fourth Proportional to 549,528.49, 824,411.20 and 170,441.71

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Solution

The fourth proportional to 549,528.49, 824,411.20 and 170,441.71 is: 255,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,528.49 : 824,411.20 = 170,441.71 : x
  2. Step 2: Convert to fraction form
    549,528.49/824,411.20 = 170,441.71/x
  3. Step 3: Cross multiply
    549,528.49x = 824,411.20 × 170,441.71
  4. Step 4: Simplify right side
    549,528.49x = 140,514,054,671.15
  5. Step 5: Solve for x
    x = 140,514,054,671.15/549,528.49
  6. Step 6: Final answer
    x = 255,699.31

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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.