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Finding the Fourth Proportional to 517,827.91, 714,602.61 and 303,009.22

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Solution

The fourth proportional to 517,827.91, 714,602.61 and 303,009.22 is: 418,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,827.91 : 714,602.61 = 303,009.22 : x
  2. Step 2: Convert to fraction form
    517,827.91/714,602.61 = 303,009.22/x
  3. Step 3: Cross multiply
    517,827.91x = 714,602.61 × 303,009.22
  4. Step 4: Simplify right side
    517,827.91x = 216,531,179,466.06
  5. Step 5: Solve for x
    x = 216,531,179,466.06/517,827.91
  6. Step 6: Final answer
    x = 418,152.78

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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.