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Finding the Fourth Proportional to 549,800.58, 824,442.06 and 212,998.93

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Solution

The fourth proportional to 549,800.58, 824,442.06 and 212,998.93 is: 319,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,800.58 : 824,442.06 = 212,998.93 : x
  2. Step 2: Convert to fraction form
    549,800.58/824,442.06 = 212,998.93/x
  3. Step 3: Cross multiply
    549,800.58x = 824,442.06 × 212,998.93
  4. Step 4: Simplify right side
    549,800.58x = 175,605,278,688.10
  5. Step 5: Solve for x
    x = 175,605,278,688.10/549,800.58
  6. Step 6: Final answer
    x = 319,398.13

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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.