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Finding the Fourth Proportional to 472,021.32, 708,253.44 and 235,382.46

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Solution

The fourth proportional to 472,021.32, 708,253.44 and 235,382.46 is: 353,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,021.32 : 708,253.44 = 235,382.46 : x
  2. Step 2: Convert to fraction form
    472,021.32/708,253.44 = 235,382.46/x
  3. Step 3: Cross multiply
    472,021.32x = 708,253.44 × 235,382.46
  4. Step 4: Simplify right side
    472,021.32x = 166,710,437,010.66
  5. Step 5: Solve for x
    x = 166,710,437,010.66/472,021.32
  6. Step 6: Final answer
    x = 353,184.13

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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.