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Finding the Fourth Proportional to 614,306.58, 921,585.15 and 348,185.94

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Solution

The fourth proportional to 614,306.58, 921,585.15 and 348,185.94 is: 522,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,306.58 : 921,585.15 = 348,185.94 : x
  2. Step 2: Convert to fraction form
    614,306.58/921,585.15 = 348,185.94/x
  3. Step 3: Cross multiply
    614,306.58x = 921,585.15 × 348,185.94
  4. Step 4: Simplify right side
    614,306.58x = 320,882,991,742.79
  5. Step 5: Solve for x
    x = 320,882,991,742.79/614,306.58
  6. Step 6: Final answer
    x = 522,349.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.