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Finding the Fourth Proportional to 426,365.15, 639,210.35 and 160,096.01

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Solution

The fourth proportional to 426,365.15, 639,210.35 and 160,096.01 is: 240,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,365.15 : 639,210.35 = 160,096.01 : x
  2. Step 2: Convert to fraction form
    426,365.15/639,210.35 = 160,096.01/x
  3. Step 3: Cross multiply
    426,365.15x = 639,210.35 × 160,096.01
  4. Step 4: Simplify right side
    426,365.15x = 102,335,023,789.89
  5. Step 5: Solve for x
    x = 102,335,023,789.89/426,365.15
  6. Step 6: Final answer
    x = 240,017.33

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1.5x scale

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.