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Finding the Fourth Proportional to 460,048.60, 689,217.54 and 249,863.32

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Solution

The fourth proportional to 460,048.60, 689,217.54 and 249,863.32 is: 374,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,048.60 : 689,217.54 = 249,863.32 : x
  2. Step 2: Convert to fraction form
    460,048.60/689,217.54 = 249,863.32/x
  3. Step 3: Cross multiply
    460,048.60x = 689,217.54 × 249,863.32
  4. Step 4: Simplify right side
    460,048.60x = 172,210,182,746.63
  5. Step 5: Solve for x
    x = 172,210,182,746.63/460,048.60
  6. Step 6: Final answer
    x = 374,330.41

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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.