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Finding the Fourth Proportional to 834,354.02, 1,249,489.80 and 753,483.66

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Solution

The fourth proportional to 834,354.02, 1,249,489.80 and 753,483.66 is: 1,128,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,354.02 : 1,249,489.80 = 753,483.66 : x
  2. Step 2: Convert to fraction form
    834,354.02/1,249,489.80 = 753,483.66/x
  3. Step 3: Cross multiply
    834,354.02x = 1,249,489.80 × 753,483.66
  4. Step 4: Simplify right side
    834,354.02x = 941,470,142,951.08
  5. Step 5: Solve for x
    x = 941,470,142,951.08/834,354.02
  6. Step 6: Final answer
    x = 1,128,382.10

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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.