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Finding the Fourth Proportional to 882,437.80, 1,323,008.70 and 349,695.40

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Solution

The fourth proportional to 882,437.80, 1,323,008.70 and 349,695.40 is: 524,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,437.80 : 1,323,008.70 = 349,695.40 : x
  2. Step 2: Convert to fraction form
    882,437.80/1,323,008.70 = 349,695.40/x
  3. Step 3: Cross multiply
    882,437.80x = 1,323,008.70 × 349,695.40
  4. Step 4: Simplify right side
    882,437.80x = 462,650,056,549.98
  5. Step 5: Solve for x
    x = 462,650,056,549.98/882,437.80
  6. Step 6: Final answer
    x = 524,286.31

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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.