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Finding the Fourth Proportional to 441,775.60, 662,663.40 and 412,032.40

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Solution

The fourth proportional to 441,775.60, 662,663.40 and 412,032.40 is: 618,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,775.60 : 662,663.40 = 412,032.40 : x
  2. Step 2: Convert to fraction form
    441,775.60/662,663.40 = 412,032.40/x
  3. Step 3: Cross multiply
    441,775.60x = 662,663.40 × 412,032.40
  4. Step 4: Simplify right side
    441,775.60x = 273,038,791,094.16
  5. Step 5: Solve for x
    x = 273,038,791,094.16/441,775.60
  6. Step 6: Final answer
    x = 618,048.60

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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.