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Finding the Fourth Proportional to 553,867.18, 830,445.84 and 233,932.36

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Solution

The fourth proportional to 553,867.18, 830,445.84 and 233,932.36 is: 350,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,867.18 : 830,445.84 = 233,932.36 : x
  2. Step 2: Convert to fraction form
    553,867.18/830,445.84 = 233,932.36/x
  3. Step 3: Cross multiply
    553,867.18x = 830,445.84 × 233,932.36
  4. Step 4: Simplify right side
    553,867.18x = 194,268,155,203.38
  5. Step 5: Solve for x
    x = 194,268,155,203.38/553,867.18
  6. Step 6: Final answer
    x = 350,748.63

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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.