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Finding the Fourth Proportional to 459,963.63, 689,695.02 and 160,363.67

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Solution

The fourth proportional to 459,963.63, 689,695.02 and 160,363.67 is: 240,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,963.63 : 689,695.02 = 160,363.67 : x
  2. Step 2: Convert to fraction form
    459,963.63/689,695.02 = 160,363.67/x
  3. Step 3: Cross multiply
    459,963.63x = 689,695.02 × 160,363.67
  4. Step 4: Simplify right side
    459,963.63x = 110,602,021,139.45
  5. Step 5: Solve for x
    x = 110,602,021,139.45/459,963.63
  6. Step 6: Final answer
    x = 240,458.19

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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.