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Finding the Fourth Proportional to 556,023.31, 767,303.84 and 314,297.39

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Solution

The fourth proportional to 556,023.31, 767,303.84 and 314,297.39 is: 433,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,023.31 : 767,303.84 = 314,297.39 : x
  2. Step 2: Convert to fraction form
    556,023.31/767,303.84 = 314,297.39/x
  3. Step 3: Cross multiply
    556,023.31x = 767,303.84 × 314,297.39
  4. Step 4: Simplify right side
    556,023.31x = 241,161,596,952.98
  5. Step 5: Solve for x
    x = 241,161,596,952.98/556,023.31
  6. Step 6: Final answer
    x = 433,725.70

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1.5x scale

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.