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Finding the Fourth Proportional to 464,123.80, 695,019.30 and 370,811.80

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Solution

The fourth proportional to 464,123.80, 695,019.30 and 370,811.80 is: 555,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,123.80 : 695,019.30 = 370,811.80 : x
  2. Step 2: Convert to fraction form
    464,123.80/695,019.30 = 370,811.80/x
  3. Step 3: Cross multiply
    464,123.80x = 695,019.30 × 370,811.80
  4. Step 4: Simplify right side
    464,123.80x = 257,721,357,667.74
  5. Step 5: Solve for x
    x = 257,721,357,667.74/464,123.80
  6. Step 6: Final answer
    x = 555,285.80

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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.