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Finding the Fourth Proportional to 422,959.06, 583,683.64 and 229,366.72

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Solution

The fourth proportional to 422,959.06, 583,683.64 and 229,366.72 is: 316,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,959.06 : 583,683.64 = 229,366.72 : x
  2. Step 2: Convert to fraction form
    422,959.06/583,683.64 = 229,366.72/x
  3. Step 3: Cross multiply
    422,959.06x = 583,683.64 × 229,366.72
  4. Step 4: Simplify right side
    422,959.06x = 133,877,602,024.46
  5. Step 5: Solve for x
    x = 133,877,602,024.46/422,959.06
  6. Step 6: Final answer
    x = 316,526.15

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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.