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Finding the Fourth Proportional to 532,490.40, 798,346.80 and 216,784.80

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Solution

The fourth proportional to 532,490.40, 798,346.80 and 216,784.80 is: 325,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,490.40 : 798,346.80 = 216,784.80 : x
  2. Step 2: Convert to fraction form
    532,490.40/798,346.80 = 216,784.80/x
  3. Step 3: Cross multiply
    532,490.40x = 798,346.80 × 216,784.80
  4. Step 4: Simplify right side
    532,490.40x = 173,069,451,368.64
  5. Step 5: Solve for x
    x = 173,069,451,368.64/532,490.40
  6. Step 6: Final answer
    x = 325,018.91

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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.