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Finding the Fourth Proportional to 549,784.32, 824,805.54 and 170,685.69

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Solution

The fourth proportional to 549,784.32, 824,805.54 and 170,685.69 is: 256,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,784.32 : 824,805.54 = 170,685.69 : x
  2. Step 2: Convert to fraction form
    549,784.32/824,805.54 = 170,685.69/x
  3. Step 3: Cross multiply
    549,784.32x = 824,805.54 × 170,685.69
  4. Step 4: Simplify right side
    549,784.32x = 140,782,502,710.72
  5. Step 5: Solve for x
    x = 140,782,502,710.72/549,784.32
  6. Step 6: Final answer
    x = 256,068.60

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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.