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Finding the Fourth Proportional to 668,766.76, 922,898.14 and 382,293.24

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Solution

The fourth proportional to 668,766.76, 922,898.14 and 382,293.24 is: 527,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,766.76 : 922,898.14 = 382,293.24 : x
  2. Step 2: Convert to fraction form
    668,766.76/922,898.14 = 382,293.24/x
  3. Step 3: Cross multiply
    668,766.76x = 922,898.14 × 382,293.24
  4. Step 4: Simplify right side
    668,766.76x = 352,817,720,130.57
  5. Step 5: Solve for x
    x = 352,817,720,130.57/668,766.76
  6. Step 6: Final answer
    x = 527,564.68

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1.5x scale

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.