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Finding the Fourth Proportional to 616,492.90, 924,739.35 and 492,076.90

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Solution

The fourth proportional to 616,492.90, 924,739.35 and 492,076.90 is: 738,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,492.90 : 924,739.35 = 492,076.90 : x
  2. Step 2: Convert to fraction form
    616,492.90/924,739.35 = 492,076.90/x
  3. Step 3: Cross multiply
    616,492.90x = 924,739.35 × 492,076.90
  4. Step 4: Simplify right side
    616,492.90x = 455,042,872,656.02
  5. Step 5: Solve for x
    x = 455,042,872,656.02/616,492.90
  6. Step 6: Final answer
    x = 738,115.35

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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.