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Finding the Fourth Proportional to 564,658.60, 778,886.48 and 335,064.64

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Solution

The fourth proportional to 564,658.60, 778,886.48 and 335,064.64 is: 462,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,658.60 : 778,886.48 = 335,064.64 : x
  2. Step 2: Convert to fraction form
    564,658.60/778,886.48 = 335,064.64/x
  3. Step 3: Cross multiply
    564,658.60x = 778,886.48 × 335,064.64
  4. Step 4: Simplify right side
    564,658.60x = 260,977,318,022.07
  5. Step 5: Solve for x
    x = 260,977,318,022.07/564,658.60
  6. Step 6: Final answer
    x = 462,186.03

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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.