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Finding the Fourth Proportional to 539,396.48, 808,205.63 and 483,775.10

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Solution

The fourth proportional to 539,396.48, 808,205.63 and 483,775.10 is: 724,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,396.48 : 808,205.63 = 483,775.10 : x
  2. Step 2: Convert to fraction form
    539,396.48/808,205.63 = 483,775.10/x
  3. Step 3: Cross multiply
    539,396.48x = 808,205.63 × 483,775.10
  4. Step 4: Simplify right side
    539,396.48x = 390,989,758,765.92
  5. Step 5: Solve for x
    x = 390,989,758,765.92/539,396.48
  6. Step 6: Final answer
    x = 724,865.24

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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.