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Finding the Fourth Proportional to 423,045.10, 583,765.14 and 241,720.84

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Solution

The fourth proportional to 423,045.10, 583,765.14 and 241,720.84 is: 333,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,045.10 : 583,765.14 = 241,720.84 : x
  2. Step 2: Convert to fraction form
    423,045.10/583,765.14 = 241,720.84/x
  3. Step 3: Cross multiply
    423,045.10x = 583,765.14 × 241,720.84
  4. Step 4: Simplify right side
    423,045.10x = 141,108,200,003.52
  5. Step 5: Solve for x
    x = 141,108,200,003.52/423,045.10
  6. Step 6: Final answer
    x = 333,553.56

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1.5x scale

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.