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Finding the Fourth Proportional to 505,303.48, 697,436.08 and 333,252.60

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Solution

The fourth proportional to 505,303.48, 697,436.08 and 333,252.60 is: 459,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,303.48 : 697,436.08 = 333,252.60 : x
  2. Step 2: Convert to fraction form
    505,303.48/697,436.08 = 333,252.60/x
  3. Step 3: Cross multiply
    505,303.48x = 697,436.08 × 333,252.60
  4. Step 4: Simplify right side
    505,303.48x = 232,422,386,993.81
  5. Step 5: Solve for x
    x = 232,422,386,993.81/505,303.48
  6. Step 6: Final answer
    x = 459,965.93

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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.