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Finding the Fourth Proportional to 1,931,569.70, 2,897,340.15 and 583,729.70

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Solution

The fourth proportional to 1,931,569.70, 2,897,340.15 and 583,729.70 is: 875,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,569.70 : 2,897,340.15 = 583,729.70 : x
  2. Step 2: Convert to fraction form
    1,931,569.70/2,897,340.15 = 583,729.70/x
  3. Step 3: Cross multiply
    1,931,569.70x = 2,897,340.15 × 583,729.70
  4. Step 4: Simplify right side
    1,931,569.70x = 1,691,263,496,557.45
  5. Step 5: Solve for x
    x = 1,691,263,496,557.45/1,931,569.70
  6. Step 6: Final answer
    x = 875,590.20

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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.