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Finding the Fourth Proportional to 349,700.90, 524,551.35 and 310,334.90

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Solution

The fourth proportional to 349,700.90, 524,551.35 and 310,334.90 is: 465,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,700.90 : 524,551.35 = 310,334.90 : x
  2. Step 2: Convert to fraction form
    349,700.90/524,551.35 = 310,334.90/x
  3. Step 3: Cross multiply
    349,700.90x = 524,551.35 × 310,334.90
  4. Step 4: Simplify right side
    349,700.90x = 162,786,590,747.12
  5. Step 5: Solve for x
    x = 162,786,590,747.12/349,700.90
  6. Step 6: Final answer
    x = 465,502.35

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Similar ratio
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1.5x scale

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.