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Finding the Fourth Proportional to 616,628.20, 924,327.90 and 283,623.40

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Solution

The fourth proportional to 616,628.20, 924,327.90 and 283,623.40 is: 425,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,628.20 : 924,327.90 = 283,623.40 : x
  2. Step 2: Convert to fraction form
    616,628.20/924,327.90 = 283,623.40/x
  3. Step 3: Cross multiply
    616,628.20x = 924,327.90 × 283,623.40
  4. Step 4: Simplify right side
    616,628.20x = 262,161,021,712.86
  5. Step 5: Solve for x
    x = 262,161,021,712.86/616,628.20
  6. Step 6: Final answer
    x = 425,152.50

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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.