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Finding the Fourth Proportional to 877,460.82, 1,316,277.63 and 365,020.80

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Solution

The fourth proportional to 877,460.82, 1,316,277.63 and 365,020.80 is: 547,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,460.82 : 1,316,277.63 = 365,020.80 : x
  2. Step 2: Convert to fraction form
    877,460.82/1,316,277.63 = 365,020.80/x
  3. Step 3: Cross multiply
    877,460.82x = 1,316,277.63 × 365,020.80
  4. Step 4: Simplify right side
    877,460.82x = 480,468,713,524.70
  5. Step 5: Solve for x
    x = 480,468,713,524.70/877,460.82
  6. Step 6: Final answer
    x = 547,567.14

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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.