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Finding the Fourth Proportional to 972,293.54, 1,341,765.12 and 536,711

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Solution

The fourth proportional to 972,293.54, 1,341,765.12 and 536,711 is: 740,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,293.54 : 1,341,765.12 = 536,711 : x
  2. Step 2: Convert to fraction form
    972,293.54/1,341,765.12 = 536,711/x
  3. Step 3: Cross multiply
    972,293.54x = 1,341,765.12 × 536,711
  4. Step 4: Simplify right side
    972,293.54x = 720,140,099,320.32
  5. Step 5: Solve for x
    x = 720,140,099,320.32/972,293.54
  6. Step 6: Final answer
    x = 740,661.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.