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Finding the Fourth Proportional to 328,094.90, 459,643.90 and 328,094.90

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Solution

The fourth proportional to 328,094.90, 459,643.90 and 328,094.90 is: 459,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094.90 : 459,643.90 = 328,094.90 : x
  2. Step 2: Convert to fraction form
    328,094.90/459,643.90 = 328,094.90/x
  3. Step 3: Cross multiply
    328,094.90x = 459,643.90 × 328,094.90
  4. Step 4: Simplify right side
    328,094.90x = 150,806,819,406.11
  5. Step 5: Solve for x
    x = 150,806,819,406.11/328,094.90
  6. Step 6: Final answer
    x = 459,643.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.