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Finding the Fourth Proportional to 633,503.46, 873,534.26 and 403,696.74

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Solution

The fourth proportional to 633,503.46, 873,534.26 and 403,696.74 is: 556,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,503.46 : 873,534.26 = 403,696.74 : x
  2. Step 2: Convert to fraction form
    633,503.46/873,534.26 = 403,696.74/x
  3. Step 3: Cross multiply
    633,503.46x = 873,534.26 × 403,696.74
  4. Step 4: Simplify right side
    633,503.46x = 352,642,935,054.51
  5. Step 5: Solve for x
    x = 352,642,935,054.51/633,503.46
  6. Step 6: Final answer
    x = 556,655.10

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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.