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Finding the Fourth Proportional to 536,696.51, 740,655.32 and 294,985.53

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Solution

The fourth proportional to 536,696.51, 740,655.32 and 294,985.53 is: 407,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,696.51 : 740,655.32 = 294,985.53 : x
  2. Step 2: Convert to fraction form
    536,696.51/740,655.32 = 294,985.53/x
  3. Step 3: Cross multiply
    536,696.51x = 740,655.32 × 294,985.53
  4. Step 4: Simplify right side
    536,696.51x = 218,482,600,642.59
  5. Step 5: Solve for x
    x = 218,482,600,642.59/536,696.51
  6. Step 6: Final answer
    x = 407,087.80

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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.