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Finding the Fourth Proportional to 475,656.48, 712,602.54 and 340,441.56

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Solution

The fourth proportional to 475,656.48, 712,602.54 and 340,441.56 is: 510,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,656.48 : 712,602.54 = 340,441.56 : x
  2. Step 2: Convert to fraction form
    475,656.48/712,602.54 = 340,441.56/x
  3. Step 3: Cross multiply
    475,656.48x = 712,602.54 × 340,441.56
  4. Step 4: Simplify right side
    475,656.48x = 242,599,520,377.56
  5. Step 5: Solve for x
    x = 242,599,520,377.56/475,656.48
  6. Step 6: Final answer
    x = 510,030.94

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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.