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Finding the Fourth Proportional to 1,046,465.10, 1,569,697.65 and 1,028,750.40

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Solution

The fourth proportional to 1,046,465.10, 1,569,697.65 and 1,028,750.40 is: 1,543,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,465.10 : 1,569,697.65 = 1,028,750.40 : x
  2. Step 2: Convert to fraction form
    1,046,465.10/1,569,697.65 = 1,028,750.40/x
  3. Step 3: Cross multiply
    1,046,465.10x = 1,569,697.65 × 1,028,750.40
  4. Step 4: Simplify right side
    1,046,465.10x = 1,614,827,085,316.56
  5. Step 5: Solve for x
    x = 1,614,827,085,316.56/1,046,465.10
  6. Step 6: Final answer
    x = 1,543,125.60

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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.