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Finding the Fourth Proportional to 539,482.24, 744,836.16 and 482,796.16

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Solution

The fourth proportional to 539,482.24, 744,836.16 and 482,796.16 is: 666,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,482.24 : 744,836.16 = 482,796.16 : x
  2. Step 2: Convert to fraction form
    539,482.24/744,836.16 = 482,796.16/x
  3. Step 3: Cross multiply
    539,482.24x = 744,836.16 × 482,796.16
  4. Step 4: Simplify right side
    539,482.24x = 359,604,037,877.15
  5. Step 5: Solve for x
    x = 359,604,037,877.15/539,482.24
  6. Step 6: Final answer
    x = 666,572.52

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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.