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Finding the Fourth Proportional to 653,412.36, 901,025.46 and 517,228.68

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Solution

The fourth proportional to 653,412.36, 901,025.46 and 517,228.68 is: 713,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,412.36 : 901,025.46 = 517,228.68 : x
  2. Step 2: Convert to fraction form
    653,412.36/901,025.46 = 517,228.68/x
  3. Step 3: Cross multiply
    653,412.36x = 901,025.46 × 517,228.68
  4. Step 4: Simplify right side
    653,412.36x = 466,036,209,322.19
  5. Step 5: Solve for x
    x = 466,036,209,322.19/653,412.36
  6. Step 6: Final answer
    x = 713,234.46

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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.