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Finding the Fourth Proportional to 502,140.74, 752,570.67 and 235,312.70

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Solution

The fourth proportional to 502,140.74, 752,570.67 and 235,312.70 is: 352,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,140.74 : 752,570.67 = 235,312.70 : x
  2. Step 2: Convert to fraction form
    502,140.74/752,570.67 = 235,312.70/x
  3. Step 3: Cross multiply
    502,140.74x = 752,570.67 × 235,312.70
  4. Step 4: Simplify right side
    502,140.74x = 177,089,436,298.51
  5. Step 5: Solve for x
    x = 177,089,436,298.51/502,140.74
  6. Step 6: Final answer
    x = 352,668.93

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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.