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Finding the Fourth Proportional to 483,569.60, 725,592.80 and 217,518.40

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Solution

The fourth proportional to 483,569.60, 725,592.80 and 217,518.40 is: 326,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,569.60 : 725,592.80 = 217,518.40 : x
  2. Step 2: Convert to fraction form
    483,569.60/725,592.80 = 217,518.40/x
  3. Step 3: Cross multiply
    483,569.60x = 725,592.80 × 217,518.40
  4. Step 4: Simplify right side
    483,569.60x = 157,829,784,907.52
  5. Step 5: Solve for x
    x = 157,829,784,907.52/483,569.60
  6. Step 6: Final answer
    x = 326,384.84

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1.5x scale

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.