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Finding the Fourth Proportional to 570,011.70, 854,534.64 and 249,920.98

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Solution

The fourth proportional to 570,011.70, 854,534.64 and 249,920.98 is: 374,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,011.70 : 854,534.64 = 249,920.98 : x
  2. Step 2: Convert to fraction form
    570,011.70/854,534.64 = 249,920.98/x
  3. Step 3: Cross multiply
    570,011.70x = 854,534.64 × 249,920.98
  4. Step 4: Simplify right side
    570,011.70x = 213,566,135,272.31
  5. Step 5: Solve for x
    x = 213,566,135,272.31/570,011.70
  6. Step 6: Final answer
    x = 374,669.74

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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.