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Finding the Fourth Proportional to 469,071.76, 703,717 and 153,509.52

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Solution

The fourth proportional to 469,071.76, 703,717 and 153,509.52 is: 230,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,071.76 : 703,717 = 153,509.52 : x
  2. Step 2: Convert to fraction form
    469,071.76/703,717 = 153,509.52/x
  3. Step 3: Cross multiply
    469,071.76x = 703,717 × 153,509.52
  4. Step 4: Simplify right side
    469,071.76x = 108,027,258,885.84
  5. Step 5: Solve for x
    x = 108,027,258,885.84/469,071.76
  6. Step 6: Final answer
    x = 230,300.07

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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.