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Finding the Fourth Proportional to 549,866.12, 824,810.04 and 250,137.80

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Solution

The fourth proportional to 549,866.12, 824,810.04 and 250,137.80 is: 375,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,866.12 : 824,810.04 = 250,137.80 : x
  2. Step 2: Convert to fraction form
    549,866.12/824,810.04 = 250,137.80/x
  3. Step 3: Cross multiply
    549,866.12x = 824,810.04 × 250,137.80
  4. Step 4: Simplify right side
    549,866.12x = 206,316,168,823.51
  5. Step 5: Solve for x
    x = 206,316,168,823.51/549,866.12
  6. Step 6: Final answer
    x = 375,211.64

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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.