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Finding the Fourth Proportional to 883,653.68, 1,219,476.60 and 501,716

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Solution

The fourth proportional to 883,653.68, 1,219,476.60 and 501,716 is: 692,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,653.68 : 1,219,476.60 = 501,716 : x
  2. Step 2: Convert to fraction form
    883,653.68/1,219,476.60 = 501,716/x
  3. Step 3: Cross multiply
    883,653.68x = 1,219,476.60 × 501,716
  4. Step 4: Simplify right side
    883,653.68x = 611,830,921,845.60
  5. Step 5: Solve for x
    x = 611,830,921,845.60/883,653.68
  6. Step 6: Final answer
    x = 692,387.68

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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.