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Finding the Fourth Proportional to 549,545.72, 828,556.55 and 546,134

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Solution

The fourth proportional to 549,545.72, 828,556.55 and 546,134 is: 823,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,545.72 : 828,556.55 = 546,134 : x
  2. Step 2: Convert to fraction form
    549,545.72/828,556.55 = 546,134/x
  3. Step 3: Cross multiply
    549,545.72x = 828,556.55 × 546,134
  4. Step 4: Simplify right side
    549,545.72x = 452,502,902,877.70
  5. Step 5: Solve for x
    x = 452,502,902,877.70/549,545.72
  6. Step 6: Final answer
    x = 823,412.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.