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Finding the Fourth Proportional to 524,782.80, 786,007.80 and 454,798.80

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Solution

The fourth proportional to 524,782.80, 786,007.80 and 454,798.80 is: 681,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,782.80 : 786,007.80 = 454,798.80 : x
  2. Step 2: Convert to fraction form
    524,782.80/786,007.80 = 454,798.80/x
  3. Step 3: Cross multiply
    524,782.80x = 786,007.80 × 454,798.80
  4. Step 4: Simplify right side
    524,782.80x = 357,475,404,230.64
  5. Step 5: Solve for x
    x = 357,475,404,230.64/524,782.80
  6. Step 6: Final answer
    x = 681,187.35

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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.