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Finding the Fourth Proportional to 473,622.80, 710,417.82 and 118,639.88

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Solution

The fourth proportional to 473,622.80, 710,417.82 and 118,639.88 is: 177,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,622.80 : 710,417.82 = 118,639.88 : x
  2. Step 2: Convert to fraction form
    473,622.80/710,417.82 = 118,639.88/x
  3. Step 3: Cross multiply
    473,622.80x = 710,417.82 × 118,639.88
  4. Step 4: Simplify right side
    473,622.80x = 84,283,884,914.66
  5. Step 5: Solve for x
    x = 84,283,884,914.66/473,622.80
  6. Step 6: Final answer
    x = 177,955.72

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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.