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Finding the Fourth Proportional to 403,353.93, 556,607.30 and 222,030.45

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Solution

The fourth proportional to 403,353.93, 556,607.30 and 222,030.45 is: 306,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,353.93 : 556,607.30 = 222,030.45 : x
  2. Step 2: Convert to fraction form
    403,353.93/556,607.30 = 222,030.45/x
  3. Step 3: Cross multiply
    403,353.93x = 556,607.30 × 222,030.45
  4. Step 4: Simplify right side
    403,353.93x = 123,583,768,182.13
  5. Step 5: Solve for x
    x = 123,583,768,182.13/403,353.93
  6. Step 6: Final answer
    x = 306,390.39

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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.