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Finding the Fourth Proportional to 499,988.04, 750,055.82 and 144,955.94

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Solution

The fourth proportional to 499,988.04, 750,055.82 and 144,955.94 is: 217,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,988.04 : 750,055.82 = 144,955.94 : x
  2. Step 2: Convert to fraction form
    499,988.04/750,055.82 = 144,955.94/x
  3. Step 3: Cross multiply
    499,988.04x = 750,055.82 × 144,955.94
  4. Step 4: Simplify right side
    499,988.04x = 108,725,041,965.51
  5. Step 5: Solve for x
    x = 108,725,041,965.51/499,988.04
  6. Step 6: Final answer
    x = 217,455.29

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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.