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Finding the Fourth Proportional to 524,005.60, 785,133.60 and 448,772.80

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Solution

The fourth proportional to 524,005.60, 785,133.60 and 448,772.80 is: 672,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,005.60 : 785,133.60 = 448,772.80 : x
  2. Step 2: Convert to fraction form
    524,005.60/785,133.60 = 448,772.80/x
  3. Step 3: Cross multiply
    524,005.60x = 785,133.60 × 448,772.80
  4. Step 4: Simplify right side
    524,005.60x = 352,346,604,046.08
  5. Step 5: Solve for x
    x = 352,346,604,046.08/524,005.60
  6. Step 6: Final answer
    x = 672,410.00

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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.