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Finding the Fourth Proportional to 554,808.42, 832,475.81 and 384,292.28

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Solution

The fourth proportional to 554,808.42, 832,475.81 and 384,292.28 is: 576,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,808.42 : 832,475.81 = 384,292.28 : x
  2. Step 2: Convert to fraction form
    554,808.42/832,475.81 = 384,292.28/x
  3. Step 3: Cross multiply
    554,808.42x = 832,475.81 × 384,292.28
  4. Step 4: Simplify right side
    554,808.42x = 319,914,030,111.67
  5. Step 5: Solve for x
    x = 319,914,030,111.67/554,808.42
  6. Step 6: Final answer
    x = 576,620.72

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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.