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Finding the Fourth Proportional to 536,384.06, 740,217.59 and 294,688.97

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Solution

The fourth proportional to 536,384.06, 740,217.59 and 294,688.97 is: 406,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,384.06 : 740,217.59 = 294,688.97 : x
  2. Step 2: Convert to fraction form
    536,384.06/740,217.59 = 294,688.97/x
  3. Step 3: Cross multiply
    536,384.06x = 740,217.59 × 294,688.97
  4. Step 4: Simplify right side
    536,384.06x = 218,133,953,998.45
  5. Step 5: Solve for x
    x = 218,133,953,998.45/536,384.06
  6. Step 6: Final answer
    x = 406,674.94

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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.