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Finding the Fourth Proportional to 710,203.82, 978,813.84 and 537,708.48

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Solution

The fourth proportional to 710,203.82, 978,813.84 and 537,708.48 is: 741,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,203.82 : 978,813.84 = 537,708.48 : x
  2. Step 2: Convert to fraction form
    710,203.82/978,813.84 = 537,708.48/x
  3. Step 3: Cross multiply
    710,203.82x = 978,813.84 × 537,708.48
  4. Step 4: Simplify right side
    710,203.82x = 526,316,502,109.36
  5. Step 5: Solve for x
    x = 526,316,502,109.36/710,203.82
  6. Step 6: Final answer
    x = 741,078.11

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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.