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Finding the Fourth Proportional to 613,315.04, 846,384.32 and 341,385.89

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Solution

The fourth proportional to 613,315.04, 846,384.32 and 341,385.89 is: 471,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,315.04 : 846,384.32 = 341,385.89 : x
  2. Step 2: Convert to fraction form
    613,315.04/846,384.32 = 341,385.89/x
  3. Step 3: Cross multiply
    613,315.04x = 846,384.32 × 341,385.89
  4. Step 4: Simplify right side
    613,315.04x = 288,943,660,986.79
  5. Step 5: Solve for x
    x = 288,943,660,986.79/613,315.04
  6. Step 6: Final answer
    x = 471,117.85

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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.