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Finding the Fourth Proportional to 592,685.90, 817,898.28 and 338,041.34

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Solution

The fourth proportional to 592,685.90, 817,898.28 and 338,041.34 is: 466,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,685.90 : 817,898.28 = 338,041.34 : x
  2. Step 2: Convert to fraction form
    592,685.90/817,898.28 = 338,041.34/x
  3. Step 3: Cross multiply
    592,685.90x = 817,898.28 × 338,041.34
  4. Step 4: Simplify right side
    592,685.90x = 276,483,430,554.90
  5. Step 5: Solve for x
    x = 276,483,430,554.90/592,685.90
  6. Step 6: Final answer
    x = 466,492.34

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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.