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Finding the Fourth Proportional to 720,501.64, 994,330.02 and 414,624.64

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Solution

The fourth proportional to 720,501.64, 994,330.02 and 414,624.64 is: 572,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,501.64 : 994,330.02 = 414,624.64 : x
  2. Step 2: Convert to fraction form
    720,501.64/994,330.02 = 414,624.64/x
  3. Step 3: Cross multiply
    720,501.64x = 994,330.02 × 414,624.64
  4. Step 4: Simplify right side
    720,501.64x = 412,273,726,583.69
  5. Step 5: Solve for x
    x = 412,273,726,583.69/720,501.64
  6. Step 6: Final answer
    x = 572,203.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.