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Finding the Fourth Proportional to 1,472,575.40, 2,205,752.70 and 1,472,575.40

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Solution

The fourth proportional to 1,472,575.40, 2,205,752.70 and 1,472,575.40 is: 2,205,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,575.40 : 2,205,752.70 = 1,472,575.40 : x
  2. Step 2: Convert to fraction form
    1,472,575.40/2,205,752.70 = 1,472,575.40/x
  3. Step 3: Cross multiply
    1,472,575.40x = 2,205,752.70 × 1,472,575.40
  4. Step 4: Simplify right side
    1,472,575.40x = 3,248,137,164,503.58
  5. Step 5: Solve for x
    x = 3,248,137,164,503.58/1,472,575.40
  6. Step 6: Final answer
    x = 2,205,752.70

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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.