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Finding the Fourth Proportional to 616,273.20, 924,409.80 and 446,999.40

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Solution

The fourth proportional to 616,273.20, 924,409.80 and 446,999.40 is: 670,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,273.20 : 924,409.80 = 446,999.40 : x
  2. Step 2: Convert to fraction form
    616,273.20/924,409.80 = 446,999.40/x
  3. Step 3: Cross multiply
    616,273.20x = 924,409.80 × 446,999.40
  4. Step 4: Simplify right side
    616,273.20x = 413,210,625,954.12
  5. Step 5: Solve for x
    x = 413,210,625,954.12/616,273.20
  6. Step 6: Final answer
    x = 670,499.10

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Similar ratio
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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.