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Finding the Fourth Proportional to 633,666.56, 874,323.72 and 375,624.80

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Solution

The fourth proportional to 633,666.56, 874,323.72 and 375,624.80 is: 518,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,666.56 : 874,323.72 = 375,624.80 : x
  2. Step 2: Convert to fraction form
    633,666.56/874,323.72 = 375,624.80/x
  3. Step 3: Cross multiply
    633,666.56x = 874,323.72 × 375,624.80
  4. Step 4: Simplify right side
    633,666.56x = 328,417,672,460.26
  5. Step 5: Solve for x
    x = 328,417,672,460.26/633,666.56
  6. Step 6: Final answer
    x = 518,281.53

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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.