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Finding the Fourth Proportional to 616,066.60, 924,099.90 and 548,415.40

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Solution

The fourth proportional to 616,066.60, 924,099.90 and 548,415.40 is: 822,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,066.60 : 924,099.90 = 548,415.40 : x
  2. Step 2: Convert to fraction form
    616,066.60/924,099.90 = 548,415.40/x
  3. Step 3: Cross multiply
    616,066.60x = 924,099.90 × 548,415.40
  4. Step 4: Simplify right side
    616,066.60x = 506,790,616,298.46
  5. Step 5: Solve for x
    x = 506,790,616,298.46/616,066.60
  6. Step 6: Final answer
    x = 822,623.10

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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.