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Finding the Fourth Proportional to 401,574.93, 554,168.24 and 229,490.93

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Solution

The fourth proportional to 401,574.93, 554,168.24 and 229,490.93 is: 316,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,574.93 : 554,168.24 = 229,490.93 : x
  2. Step 2: Convert to fraction form
    401,574.93/554,168.24 = 229,490.93/x
  3. Step 3: Cross multiply
    401,574.93x = 554,168.24 × 229,490.93
  4. Step 4: Simplify right side
    401,574.93x = 127,176,580,855.77
  5. Step 5: Solve for x
    x = 127,176,580,855.77/401,574.93
  6. Step 6: Final answer
    x = 316,694.52

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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.