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Finding the Fourth Proportional to 423,143.32, 583,937.80 and 241,859.16

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Solution

The fourth proportional to 423,143.32, 583,937.80 and 241,859.16 is: 333,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,143.32 : 583,937.80 = 241,859.16 : x
  2. Step 2: Convert to fraction form
    423,143.32/583,937.80 = 241,859.16/x
  3. Step 3: Cross multiply
    423,143.32x = 583,937.80 × 241,859.16
  4. Step 4: Simplify right side
    423,143.32x = 141,230,705,800.25
  5. Step 5: Solve for x
    x = 141,230,705,800.25/423,143.32
  6. Step 6: Final answer
    x = 333,765.65

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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.