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Finding the Fourth Proportional to 405,598.59, 607,968.85 and 152,769.69

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Solution

The fourth proportional to 405,598.59, 607,968.85 and 152,769.69 is: 228,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,598.59 : 607,968.85 = 152,769.69 : x
  2. Step 2: Convert to fraction form
    405,598.59/607,968.85 = 152,769.69/x
  3. Step 3: Cross multiply
    405,598.59x = 607,968.85 × 152,769.69
  4. Step 4: Simplify right side
    405,598.59x = 92,879,211,415.20
  5. Step 5: Solve for x
    x = 92,879,211,415.20/405,598.59
  6. Step 6: Final answer
    x = 228,992.93

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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.