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Finding the Fourth Proportional to 337,699.89, 463,585.50 and 289,870.20

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Solution

The fourth proportional to 337,699.89, 463,585.50 and 289,870.20 is: 397,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,699.89 : 463,585.50 = 289,870.20 : x
  2. Step 2: Convert to fraction form
    337,699.89/463,585.50 = 289,870.20/x
  3. Step 3: Cross multiply
    337,699.89x = 463,585.50 × 289,870.20
  4. Step 4: Simplify right side
    337,699.89x = 134,379,621,602.10
  5. Step 5: Solve for x
    x = 134,379,621,602.10/337,699.89
  6. Step 6: Final answer
    x = 397,926.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.