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Finding the Fourth Proportional to 353,725.95, 530,255.39 and 176,065.01

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Solution

The fourth proportional to 353,725.95, 530,255.39 and 176,065.01 is: 263,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,725.95 : 530,255.39 = 176,065.01 : x
  2. Step 2: Convert to fraction form
    353,725.95/530,255.39 = 176,065.01/x
  3. Step 3: Cross multiply
    353,725.95x = 530,255.39 × 176,065.01
  4. Step 4: Simplify right side
    353,725.95x = 93,359,417,011.30
  5. Step 5: Solve for x
    x = 93,359,417,011.30/353,725.95
  6. Step 6: Final answer
    x = 263,931.49

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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.