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Finding the Fourth Proportional to 504,492.82, 695,476.45 and 396,875.81

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Solution

The fourth proportional to 504,492.82, 695,476.45 and 396,875.81 is: 547,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,492.82 : 695,476.45 = 396,875.81 : x
  2. Step 2: Convert to fraction form
    504,492.82/695,476.45 = 396,875.81/x
  3. Step 3: Cross multiply
    504,492.82x = 695,476.45 × 396,875.81
  4. Step 4: Simplify right side
    504,492.82x = 276,017,779,429.68
  5. Step 5: Solve for x
    x = 276,017,779,429.68/504,492.82
  6. Step 6: Final answer
    x = 547,119.34

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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.