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Finding the Fourth Proportional to 761,956.44, 1,051,459.49 and 435,205.29

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Solution

The fourth proportional to 761,956.44, 1,051,459.49 and 435,205.29 is: 600,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,956.44 : 1,051,459.49 = 435,205.29 : x
  2. Step 2: Convert to fraction form
    761,956.44/1,051,459.49 = 435,205.29/x
  3. Step 3: Cross multiply
    761,956.44x = 1,051,459.49 × 435,205.29
  4. Step 4: Simplify right side
    761,956.44x = 457,600,724,835.38
  5. Step 5: Solve for x
    x = 457,600,724,835.38/761,956.44
  6. Step 6: Final answer
    x = 600,560.21

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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.