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Finding the Fourth Proportional to 841,858.70, 1,265,898.45 and 705,001.10

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Solution

The fourth proportional to 841,858.70, 1,265,898.45 and 705,001.10 is: 1,060,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,858.70 : 1,265,898.45 = 705,001.10 : x
  2. Step 2: Convert to fraction form
    841,858.70/1,265,898.45 = 705,001.10/x
  3. Step 3: Cross multiply
    841,858.70x = 1,265,898.45 × 705,001.10
  4. Step 4: Simplify right side
    841,858.70x = 892,459,799,738.30
  5. Step 5: Solve for x
    x = 892,459,799,738.30/841,858.70
  6. Step 6: Final answer
    x = 1,060,106.40

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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.