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Finding the Fourth Proportional to 484,742.34, 726,030.72 and 351,316.30

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Solution

The fourth proportional to 484,742.34, 726,030.72 and 351,316.30 is: 526,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,742.34 : 726,030.72 = 351,316.30 : x
  2. Step 2: Convert to fraction form
    484,742.34/726,030.72 = 351,316.30/x
  3. Step 3: Cross multiply
    484,742.34x = 726,030.72 × 351,316.30
  4. Step 4: Simplify right side
    484,742.34x = 255,066,426,236.74
  5. Step 5: Solve for x
    x = 255,066,426,236.74/484,742.34
  6. Step 6: Final answer
    x = 526,189.70

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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.