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Finding the Fourth Proportional to 713,169.65, 1,069,360.82 and 292,740.77

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Solution

The fourth proportional to 713,169.65, 1,069,360.82 and 292,740.77 is: 438,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,169.65 : 1,069,360.82 = 292,740.77 : x
  2. Step 2: Convert to fraction form
    713,169.65/1,069,360.82 = 292,740.77/x
  3. Step 3: Cross multiply
    713,169.65x = 1,069,360.82 × 292,740.77
  4. Step 4: Simplify right side
    713,169.65x = 313,045,509,854.63
  5. Step 5: Solve for x
    x = 313,045,509,854.63/713,169.65
  6. Step 6: Final answer
    x = 438,949.57

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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.