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Finding the Fourth Proportional to 423,038.89, 583,712.89 and 241,808.28

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Solution

The fourth proportional to 423,038.89, 583,712.89 and 241,808.28 is: 333,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,038.89 : 583,712.89 = 241,808.28 : x
  2. Step 2: Convert to fraction form
    423,038.89/583,712.89 = 241,808.28/x
  3. Step 3: Cross multiply
    423,038.89x = 583,712.89 × 241,808.28
  4. Step 4: Simplify right side
    423,038.89x = 141,146,609,944.73
  5. Step 5: Solve for x
    x = 141,146,609,944.73/423,038.89
  6. Step 6: Final answer
    x = 333,649.25

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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.