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Finding the Fourth Proportional to 572,458.76, 862,802.92 and 493,450.32

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Solution

The fourth proportional to 572,458.76, 862,802.92 and 493,450.32 is: 743,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,458.76 : 862,802.92 = 493,450.32 : x
  2. Step 2: Convert to fraction form
    572,458.76/862,802.92 = 493,450.32/x
  3. Step 3: Cross multiply
    572,458.76x = 862,802.92 × 493,450.32
  4. Step 4: Simplify right side
    572,458.76x = 425,750,376,970.93
  5. Step 5: Solve for x
    x = 425,750,376,970.93/572,458.76
  6. Step 6: Final answer
    x = 743,722.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.