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Finding the Fourth Proportional to 675,914.14, 932,679.03 and 538,443.19

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Solution

The fourth proportional to 675,914.14, 932,679.03 and 538,443.19 is: 742,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,914.14 : 932,679.03 = 538,443.19 : x
  2. Step 2: Convert to fraction form
    675,914.14/932,679.03 = 538,443.19/x
  3. Step 3: Cross multiply
    675,914.14x = 932,679.03 × 538,443.19
  4. Step 4: Simplify right side
    675,914.14x = 502,194,672,159.31
  5. Step 5: Solve for x
    x = 502,194,672,159.31/675,914.14
  6. Step 6: Final answer
    x = 742,985.89

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1.5x scale

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.