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Finding the Fourth Proportional to 575,362.71, 793,675.40 and 360,129.11

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Solution

The fourth proportional to 575,362.71, 793,675.40 and 360,129.11 is: 496,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,362.71 : 793,675.40 = 360,129.11 : x
  2. Step 2: Convert to fraction form
    575,362.71/793,675.40 = 360,129.11/x
  3. Step 3: Cross multiply
    575,362.71x = 793,675.40 × 360,129.11
  4. Step 4: Simplify right side
    575,362.71x = 285,825,609,661.87
  5. Step 5: Solve for x
    x = 285,825,609,661.87/575,362.71
  6. Step 6: Final answer
    x = 496,774.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.