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Finding the Fourth Proportional to 553,645.30, 830,557.40 and 233,845.25

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Solution

The fourth proportional to 553,645.30, 830,557.40 and 233,845.25 is: 350,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,645.30 : 830,557.40 = 233,845.25 : x
  2. Step 2: Convert to fraction form
    553,645.30/830,557.40 = 233,845.25/x
  3. Step 3: Cross multiply
    553,645.30x = 830,557.40 × 233,845.25
  4. Step 4: Simplify right side
    553,645.30x = 194,221,897,520.34
  5. Step 5: Solve for x
    x = 194,221,897,520.34/553,645.30
  6. Step 6: Final answer
    x = 350,805.65

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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.