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Finding the Fourth Proportional to 532,055.40, 798,374.70 and 216,738.60

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Solution

The fourth proportional to 532,055.40, 798,374.70 and 216,738.60 is: 325,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,055.40 : 798,374.70 = 216,738.60 : x
  2. Step 2: Convert to fraction form
    532,055.40/798,374.70 = 216,738.60/x
  3. Step 3: Cross multiply
    532,055.40x = 798,374.70 × 216,738.60
  4. Step 4: Simplify right side
    532,055.40x = 173,038,614,753.42
  5. Step 5: Solve for x
    x = 173,038,614,753.42/532,055.40
  6. Step 6: Final answer
    x = 325,226.69

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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.