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Finding the Fourth Proportional to 328,533.40, 492,800.10 and 328,533.40

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Solution

The fourth proportional to 328,533.40, 492,800.10 and 328,533.40 is: 492,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,533.40 : 492,800.10 = 328,533.40 : x
  2. Step 2: Convert to fraction form
    328,533.40/492,800.10 = 328,533.40/x
  3. Step 3: Cross multiply
    328,533.40x = 492,800.10 × 328,533.40
  4. Step 4: Simplify right side
    328,533.40x = 161,901,292,373.34
  5. Step 5: Solve for x
    x = 161,901,292,373.34/328,533.40
  6. Step 6: Final answer
    x = 492,800.10

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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.