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Finding the Fourth Proportional to 882,509.80, 1,323,116.70 and 349,767.40

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Solution

The fourth proportional to 882,509.80, 1,323,116.70 and 349,767.40 is: 524,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,509.80 : 1,323,116.70 = 349,767.40 : x
  2. Step 2: Convert to fraction form
    882,509.80/1,323,116.70 = 349,767.40/x
  3. Step 3: Cross multiply
    882,509.80x = 1,323,116.70 × 349,767.40
  4. Step 4: Simplify right side
    882,509.80x = 462,783,088,055.58
  5. Step 5: Solve for x
    x = 462,783,088,055.58/882,509.80
  6. Step 6: Final answer
    x = 524,394.28

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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.