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Finding the Fourth Proportional to 675,567.84, 932,363.55 and 381,225.18

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Solution

The fourth proportional to 675,567.84, 932,363.55 and 381,225.18 is: 526,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,567.84 : 932,363.55 = 381,225.18 : x
  2. Step 2: Convert to fraction form
    675,567.84/932,363.55 = 381,225.18/x
  3. Step 3: Cross multiply
    675,567.84x = 932,363.55 × 381,225.18
  4. Step 4: Simplify right side
    675,567.84x = 355,440,462,174.19
  5. Step 5: Solve for x
    x = 355,440,462,174.19/675,567.84
  6. Step 6: Final answer
    x = 526,135.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.