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Finding the Fourth Proportional to 469,681.70, 648,117.09 and 265,748.04

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Solution

The fourth proportional to 469,681.70, 648,117.09 and 265,748.04 is: 366,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,681.70 : 648,117.09 = 265,748.04 : x
  2. Step 2: Convert to fraction form
    469,681.70/648,117.09 = 265,748.04/x
  3. Step 3: Cross multiply
    469,681.70x = 648,117.09 × 265,748.04
  4. Step 4: Simplify right side
    469,681.70x = 172,235,846,358.00
  5. Step 5: Solve for x
    x = 172,235,846,358.00/469,681.70
  6. Step 6: Final answer
    x = 366,707.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.