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Finding the Fourth Proportional to 556,017.98, 767,296.49 and 314,292.04

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Solution

The fourth proportional to 556,017.98, 767,296.49 and 314,292.04 is: 433,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,017.98 : 767,296.49 = 314,292.04 : x
  2. Step 2: Convert to fraction form
    556,017.98/767,296.49 = 314,292.04/x
  3. Step 3: Cross multiply
    556,017.98x = 767,296.49 × 314,292.04
  4. Step 4: Simplify right side
    556,017.98x = 241,155,175,637.24
  5. Step 5: Solve for x
    x = 241,155,175,637.24/556,017.98
  6. Step 6: Final answer
    x = 433,718.31

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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.