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Finding the Fourth Proportional to 713,552.70, 1,069,810.65 and 292,611.90

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Solution

The fourth proportional to 713,552.70, 1,069,810.65 and 292,611.90 is: 438,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,552.70 : 1,069,810.65 = 292,611.90 : x
  2. Step 2: Convert to fraction form
    713,552.70/1,069,810.65 = 292,611.90/x
  3. Step 3: Cross multiply
    713,552.70x = 1,069,810.65 × 292,611.90
  4. Step 4: Simplify right side
    713,552.70x = 313,039,326,936.74
  5. Step 5: Solve for x
    x = 313,039,326,936.74/713,552.70
  6. Step 6: Final answer
    x = 438,705.27

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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.