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Finding the Fourth Proportional to 403,353.74, 556,607.01 and 222,030.26

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Solution

The fourth proportional to 403,353.74, 556,607.01 and 222,030.26 is: 306,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,353.74 : 556,607.01 = 222,030.26 : x
  2. Step 2: Convert to fraction form
    403,353.74/556,607.01 = 222,030.26/x
  3. Step 3: Cross multiply
    403,353.74x = 556,607.01 × 222,030.26
  4. Step 4: Simplify right side
    403,353.74x = 123,583,596,365.09
  5. Step 5: Solve for x
    x = 123,583,596,365.09/403,353.74
  6. Step 6: Final answer
    x = 306,390.11

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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.