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Finding the Fourth Proportional to 415,510.43, 573,369.93 and 234,266.90

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Solution

The fourth proportional to 415,510.43, 573,369.93 and 234,266.90 is: 323,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,510.43 : 573,369.93 = 234,266.90 : x
  2. Step 2: Convert to fraction form
    415,510.43/573,369.93 = 234,266.90/x
  3. Step 3: Cross multiply
    415,510.43x = 573,369.93 × 234,266.90
  4. Step 4: Simplify right side
    415,510.43x = 134,321,596,054.32
  5. Step 5: Solve for x
    x = 134,321,596,054.32/415,510.43
  6. Step 6: Final answer
    x = 323,268.89

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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.