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Finding the Fourth Proportional to 583,710.30, 874,528.65 and 477,956.70

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Solution

The fourth proportional to 583,710.30, 874,528.65 and 477,956.70 is: 716,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,710.30 : 874,528.65 = 477,956.70 : x
  2. Step 2: Convert to fraction form
    583,710.30/874,528.65 = 477,956.70/x
  3. Step 3: Cross multiply
    583,710.30x = 874,528.65 × 477,956.70
  4. Step 4: Simplify right side
    583,710.30x = 417,986,827,609.46
  5. Step 5: Solve for x
    x = 417,986,827,609.46/583,710.30
  6. Step 6: Final answer
    x = 716,086.09

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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.