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Finding the Fourth Proportional to 1,078,960, 1,488,964.80 and 602,032

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Solution

The fourth proportional to 1,078,960, 1,488,964.80 and 602,032 is: 830,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,960 : 1,488,964.80 = 602,032 : x
  2. Step 2: Convert to fraction form
    1,078,960/1,488,964.80 = 602,032/x
  3. Step 3: Cross multiply
    1,078,960x = 1,488,964.80 × 602,032
  4. Step 4: Simplify right side
    1,078,960x = 896,404,456,473.60
  5. Step 5: Solve for x
    x = 896,404,456,473.60/1,078,960
  6. Step 6: Final answer
    x = 830,804.16

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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.