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Finding the Fourth Proportional to 972,573.74, 1,342,434.03 and 564,767.90

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Solution

The fourth proportional to 972,573.74, 1,342,434.03 and 564,767.90 is: 779,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,573.74 : 1,342,434.03 = 564,767.90 : x
  2. Step 2: Convert to fraction form
    972,573.74/1,342,434.03 = 564,767.90/x
  3. Step 3: Cross multiply
    972,573.74x = 1,342,434.03 × 564,767.90
  4. Step 4: Simplify right side
    972,573.74x = 758,163,648,011.64
  5. Step 5: Solve for x
    x = 758,163,648,011.64/972,573.74
  6. Step 6: Final answer
    x = 779,543.61

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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.