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Finding the Fourth Proportional to 1,249,783, 1,874,994.18 and 363,319

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Solution

The fourth proportional to 1,249,783, 1,874,994.18 and 363,319 is: 545,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,783 : 1,874,994.18 = 363,319 : x
  2. Step 2: Convert to fraction form
    1,249,783/1,874,994.18 = 363,319/x
  3. Step 3: Cross multiply
    1,249,783x = 1,874,994.18 × 363,319
  4. Step 4: Simplify right side
    1,249,783x = 681,221,010,483.42
  5. Step 5: Solve for x
    x = 681,221,010,483.42/1,249,783
  6. Step 6: Final answer
    x = 545,071.43

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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.