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Finding the Fourth Proportional to 316,536.30, 474,804.45 and 94,920.30

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Solution

The fourth proportional to 316,536.30, 474,804.45 and 94,920.30 is: 142,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,536.30 : 474,804.45 = 94,920.30 : x
  2. Step 2: Convert to fraction form
    316,536.30/474,804.45 = 94,920.30/x
  3. Step 3: Cross multiply
    316,536.30x = 474,804.45 × 94,920.30
  4. Step 4: Simplify right side
    316,536.30x = 45,068,580,835.34
  5. Step 5: Solve for x
    x = 45,068,580,835.34/316,536.30
  6. Step 6: Final answer
    x = 142,380.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.