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Finding the Fourth Proportional to 440,586.76, 608,039.80 and 249,601.72

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Solution

The fourth proportional to 440,586.76, 608,039.80 and 249,601.72 is: 344,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,586.76 : 608,039.80 = 249,601.72 : x
  2. Step 2: Convert to fraction form
    440,586.76/608,039.80 = 249,601.72/x
  3. Step 3: Cross multiply
    440,586.76x = 608,039.80 × 249,601.72
  4. Step 4: Simplify right side
    440,586.76x = 151,767,779,908.46
  5. Step 5: Solve for x
    x = 151,767,779,908.46/440,586.76
  6. Step 6: Final answer
    x = 344,467.41

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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.