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Finding the Fourth Proportional to 536,465.74, 740,322.11 and 294,747.72

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Solution

The fourth proportional to 536,465.74, 740,322.11 and 294,747.72 is: 406,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,465.74 : 740,322.11 = 294,747.72 : x
  2. Step 2: Convert to fraction form
    536,465.74/740,322.11 = 294,747.72/x
  3. Step 3: Cross multiply
    536,465.74x = 740,322.11 × 294,747.72
  4. Step 4: Simplify right side
    536,465.74x = 218,208,253,988.09
  5. Step 5: Solve for x
    x = 218,208,253,988.09/536,465.74
  6. Step 6: Final answer
    x = 406,751.52

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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.