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Finding the Fourth Proportional to 369,502.01, 509,825.53 and 208,325.92

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Solution

The fourth proportional to 369,502.01, 509,825.53 and 208,325.92 is: 287,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,502.01 : 509,825.53 = 208,325.92 : x
  2. Step 2: Convert to fraction form
    369,502.01/509,825.53 = 208,325.92/x
  3. Step 3: Cross multiply
    369,502.01x = 509,825.53 × 208,325.92
  4. Step 4: Simplify right side
    369,502.01x = 106,209,872,576.74
  5. Step 5: Solve for x
    x = 106,209,872,576.74/369,502.01
  6. Step 6: Final answer
    x = 287,440.58

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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.