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Finding the Fourth Proportional to 1,047,424, 1,445,445.12 and 570,496

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Solution

The fourth proportional to 1,047,424, 1,445,445.12 and 570,496 is: 787,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,424 : 1,445,445.12 = 570,496 : x
  2. Step 2: Convert to fraction form
    1,047,424/1,445,445.12 = 570,496/x
  3. Step 3: Cross multiply
    1,047,424x = 1,445,445.12 × 570,496
  4. Step 4: Simplify right side
    1,047,424x = 824,620,659,179.52
  5. Step 5: Solve for x
    x = 824,620,659,179.52/1,047,424
  6. Step 6: Final answer
    x = 787,284.48

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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.