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Finding the Fourth Proportional to 556,003.16, 767,276.03 and 314,277.26

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Solution

The fourth proportional to 556,003.16, 767,276.03 and 314,277.26 is: 433,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,003.16 : 767,276.03 = 314,277.26 : x
  2. Step 2: Convert to fraction form
    556,003.16/767,276.03 = 314,277.26/x
  3. Step 3: Cross multiply
    556,003.16x = 767,276.03 × 314,277.26
  4. Step 4: Simplify right side
    556,003.16x = 241,137,402,964.31
  5. Step 5: Solve for x
    x = 241,137,402,964.31/556,003.16
  6. Step 6: Final answer
    x = 433,697.90

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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.