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Finding the Fourth Proportional to 616,551.60, 924,608.70 and 217,205.40

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Solution

The fourth proportional to 616,551.60, 924,608.70 and 217,205.40 is: 325,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,551.60 : 924,608.70 = 217,205.40 : x
  2. Step 2: Convert to fraction form
    616,551.60/924,608.70 = 217,205.40/x
  3. Step 3: Cross multiply
    616,551.60x = 924,608.70 × 217,205.40
  4. Step 4: Simplify right side
    616,551.60x = 200,830,002,526.98
  5. Step 5: Solve for x
    x = 200,830,002,526.98/616,551.60
  6. Step 6: Final answer
    x = 325,731.05

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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.