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Finding the Fourth Proportional to 505,127.45, 697,303.21 and 333,147.44

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Solution

The fourth proportional to 505,127.45, 697,303.21 and 333,147.44 is: 459,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,127.45 : 697,303.21 = 333,147.44 : x
  2. Step 2: Convert to fraction form
    505,127.45/697,303.21 = 333,147.44/x
  3. Step 3: Cross multiply
    505,127.45x = 697,303.21 × 333,147.44
  4. Step 4: Simplify right side
    505,127.45x = 232,304,778,482.41
  5. Step 5: Solve for x
    x = 232,304,778,482.41/505,127.45
  6. Step 6: Final answer
    x = 459,893.40

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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.