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Finding the Fourth Proportional to 4,923,881.90, 7,386,514.05 and 1,557,737.90

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Solution

The fourth proportional to 4,923,881.90, 7,386,514.05 and 1,557,737.90 is: 2,336,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923,881.90 : 7,386,514.05 = 1,557,737.90 : x
  2. Step 2: Convert to fraction form
    4,923,881.90/7,386,514.05 = 1,557,737.90/x
  3. Step 3: Cross multiply
    4,923,881.90x = 7,386,514.05 × 1,557,737.90
  4. Step 4: Simplify right side
    4,923,881.90x = 11,506,252,884,567.49
  5. Step 5: Solve for x
    x = 11,506,252,884,567.49/4,923,881.90
  6. Step 6: Final answer
    x = 2,336,825.52

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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.