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Finding the Fourth Proportional to 497,520.70, 745,515.60 and 370,565.35

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Solution

The fourth proportional to 497,520.70, 745,515.60 and 370,565.35 is: 555,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,520.70 : 745,515.60 = 370,565.35 : x
  2. Step 2: Convert to fraction form
    497,520.70/745,515.60 = 370,565.35/x
  3. Step 3: Cross multiply
    497,520.70x = 745,515.60 × 370,565.35
  4. Step 4: Simplify right side
    497,520.70x = 276,262,249,244.46
  5. Step 5: Solve for x
    x = 276,262,249,244.46/497,520.70
  6. Step 6: Final answer
    x = 555,277.90

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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.