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Finding the Fourth Proportional to 362,931.12, 544,041.90 and 163,301.76

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Solution

The fourth proportional to 362,931.12, 544,041.90 and 163,301.76 is: 244,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,931.12 : 544,041.90 = 163,301.76 : x
  2. Step 2: Convert to fraction form
    362,931.12/544,041.90 = 163,301.76/x
  3. Step 3: Cross multiply
    362,931.12x = 544,041.90 × 163,301.76
  4. Step 4: Simplify right side
    362,931.12x = 88,842,999,783.74
  5. Step 5: Solve for x
    x = 88,842,999,783.74/362,931.12
  6. Step 6: Final answer
    x = 244,793.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.