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Finding the Fourth Proportional to 549,871.80, 824,807.70 and 541,014.45

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Solution

The fourth proportional to 549,871.80, 824,807.70 and 541,014.45 is: 811,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,871.80 : 824,807.70 = 541,014.45 : x
  2. Step 2: Convert to fraction form
    549,871.80/824,807.70 = 541,014.45/x
  3. Step 3: Cross multiply
    549,871.80x = 824,807.70 × 541,014.45
  4. Step 4: Simplify right side
    549,871.80x = 446,232,884,171.27
  5. Step 5: Solve for x
    x = 446,232,884,171.27/549,871.80
  6. Step 6: Final answer
    x = 811,521.68

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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.