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Finding the Fourth Proportional to 306,713.70, 460,070.55 and 173,853.45

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Solution

The fourth proportional to 306,713.70, 460,070.55 and 173,853.45 is: 260,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,713.70 : 460,070.55 = 173,853.45 : x
  2. Step 2: Convert to fraction form
    306,713.70/460,070.55 = 173,853.45/x
  3. Step 3: Cross multiply
    306,713.70x = 460,070.55 × 173,853.45
  4. Step 4: Simplify right side
    306,713.70x = 79,984,852,360.90
  5. Step 5: Solve for x
    x = 79,984,852,360.90/306,713.70
  6. Step 6: Final answer
    x = 260,780.18

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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.