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Finding the Fourth Proportional to 595,318.95, 821,516.58 and 353,595.11

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Solution

The fourth proportional to 595,318.95, 821,516.58 and 353,595.11 is: 487,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,318.95 : 821,516.58 = 353,595.11 : x
  2. Step 2: Convert to fraction form
    595,318.95/821,516.58 = 353,595.11/x
  3. Step 3: Cross multiply
    595,318.95x = 821,516.58 × 353,595.11
  4. Step 4: Simplify right side
    595,318.95x = 290,484,241,364.34
  5. Step 5: Solve for x
    x = 290,484,241,364.34/595,318.95
  6. Step 6: Final answer
    x = 487,947.24

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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.