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Finding the Fourth Proportional to 875,464.80, 1,208,703.59 and 549,225

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Solution

The fourth proportional to 875,464.80, 1,208,703.59 and 549,225 is: 758,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,464.80 : 1,208,703.59 = 549,225 : x
  2. Step 2: Convert to fraction form
    875,464.80/1,208,703.59 = 549,225/x
  3. Step 3: Cross multiply
    875,464.80x = 1,208,703.59 × 549,225
  4. Step 4: Simplify right side
    875,464.80x = 663,850,229,217.75
  5. Step 5: Solve for x
    x = 663,850,229,217.75/875,464.80
  6. Step 6: Final answer
    x = 758,283.18

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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.