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Finding the Fourth Proportional to 673,614, 929,587.40 and 371,808.08

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Solution

The fourth proportional to 673,614, 929,587.40 and 371,808.08 is: 513,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,614 : 929,587.40 = 371,808.08 : x
  2. Step 2: Convert to fraction form
    673,614/929,587.40 = 371,808.08/x
  3. Step 3: Cross multiply
    673,614x = 929,587.40 × 371,808.08
  4. Step 4: Simplify right side
    673,614x = 345,628,106,386.19
  5. Step 5: Solve for x
    x = 345,628,106,386.19/673,614
  6. Step 6: Final answer
    x = 513,095.19

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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.