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Finding the Fourth Proportional to 571,482.73, 788,655.24 and 313,383.16

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Solution

The fourth proportional to 571,482.73, 788,655.24 and 313,383.16 is: 432,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,482.73 : 788,655.24 = 313,383.16 : x
  2. Step 2: Convert to fraction form
    571,482.73/788,655.24 = 313,383.16/x
  3. Step 3: Cross multiply
    571,482.73x = 788,655.24 × 313,383.16
  4. Step 4: Simplify right side
    571,482.73x = 247,151,271,261.76
  5. Step 5: Solve for x
    x = 247,151,271,261.76/571,482.73
  6. Step 6: Final answer
    x = 432,473.74

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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.