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Finding the Fourth Proportional to 624,853.84, 862,298.76 and 338,374.24

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Solution

The fourth proportional to 624,853.84, 862,298.76 and 338,374.24 is: 466,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,853.84 : 862,298.76 = 338,374.24 : x
  2. Step 2: Convert to fraction form
    624,853.84/862,298.76 = 338,374.24/x
  3. Step 3: Cross multiply
    624,853.84x = 862,298.76 × 338,374.24
  4. Step 4: Simplify right side
    624,853.84x = 291,779,687,567.94
  5. Step 5: Solve for x
    x = 291,779,687,567.94/624,853.84
  6. Step 6: Final answer
    x = 466,956.70

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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.