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Finding the Fourth Proportional to 977,892.60, 1,466,838.90 and 830,270.10

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Solution

The fourth proportional to 977,892.60, 1,466,838.90 and 830,270.10 is: 1,245,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,892.60 : 1,466,838.90 = 830,270.10 : x
  2. Step 2: Convert to fraction form
    977,892.60/1,466,838.90 = 830,270.10/x
  3. Step 3: Cross multiply
    977,892.60x = 1,466,838.90 × 830,270.10
  4. Step 4: Simplify right side
    977,892.60x = 1,217,872,480,186.89
  5. Step 5: Solve for x
    x = 1,217,872,480,186.89/977,892.60
  6. Step 6: Final answer
    x = 1,245,405.15

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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.