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Finding the Fourth Proportional to 616,586.10, 924,004.35 and 455,404.20

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Solution

The fourth proportional to 616,586.10, 924,004.35 and 455,404.20 is: 682,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,586.10 : 924,004.35 = 455,404.20 : x
  2. Step 2: Convert to fraction form
    616,586.10/924,004.35 = 455,404.20/x
  3. Step 3: Cross multiply
    616,586.10x = 924,004.35 × 455,404.20
  4. Step 4: Simplify right side
    616,586.10x = 420,795,461,808.27
  5. Step 5: Solve for x
    x = 420,795,461,808.27/616,586.10
  6. Step 6: Final answer
    x = 682,460.18

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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.