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Finding the Fourth Proportional to 536,537.62, 740,421.72 and 294,835.76

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Solution

The fourth proportional to 536,537.62, 740,421.72 and 294,835.76 is: 406,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,537.62 : 740,421.72 = 294,835.76 : x
  2. Step 2: Convert to fraction form
    536,537.62/740,421.72 = 294,835.76/x
  3. Step 3: Cross multiply
    536,537.62x = 740,421.72 × 294,835.76
  4. Step 4: Simplify right side
    536,537.62x = 218,302,803,409.75
  5. Step 5: Solve for x
    x = 218,302,803,409.75/536,537.62
  6. Step 6: Final answer
    x = 406,873.25

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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.