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Finding the Fourth Proportional to 417,530.40, 576,220.44 and 236,242.32

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Solution

The fourth proportional to 417,530.40, 576,220.44 and 236,242.32 is: 326,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,530.40 : 576,220.44 = 236,242.32 : x
  2. Step 2: Convert to fraction form
    417,530.40/576,220.44 = 236,242.32/x
  3. Step 3: Cross multiply
    417,530.40x = 576,220.44 × 236,242.32
  4. Step 4: Simplify right side
    417,530.40x = 136,127,653,577.02
  5. Step 5: Solve for x
    x = 136,127,653,577.02/417,530.40
  6. Step 6: Final answer
    x = 326,030.52

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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.