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Finding the Fourth Proportional to 536,656.51, 740,602.65 and 294,934.69

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Solution

The fourth proportional to 536,656.51, 740,602.65 and 294,934.69 is: 407,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,656.51 : 740,602.65 = 294,934.69 : x
  2. Step 2: Convert to fraction form
    536,656.51/740,602.65 = 294,934.69/x
  3. Step 3: Cross multiply
    536,656.51x = 740,602.65 × 294,934.69
  4. Step 4: Simplify right side
    536,656.51x = 218,429,412,990.93
  5. Step 5: Solve for x
    x = 218,429,412,990.93/536,656.51
  6. Step 6: Final answer
    x = 407,019.03

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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.