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Finding the Fourth Proportional to 367,031.45, 550,547.18 and 367,031.45

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Solution

The fourth proportional to 367,031.45, 550,547.18 and 367,031.45 is: 550,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.45 : 550,547.18 = 367,031.45 : x
  2. Step 2: Convert to fraction form
    367,031.45/550,547.18 = 367,031.45/x
  3. Step 3: Cross multiply
    367,031.45x = 550,547.18 × 367,031.45
  4. Step 4: Simplify right side
    367,031.45x = 202,068,129,768.81
  5. Step 5: Solve for x
    x = 202,068,129,768.81/367,031.45
  6. Step 6: Final answer
    x = 550,547.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.