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Finding the Fourth Proportional to 824,612.16, 1,234,162.16 and 469,530.88

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Solution

The fourth proportional to 824,612.16, 1,234,162.16 and 469,530.88 is: 702,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,612.16 : 1,234,162.16 = 469,530.88 : x
  2. Step 2: Convert to fraction form
    824,612.16/1,234,162.16 = 469,530.88/x
  3. Step 3: Cross multiply
    824,612.16x = 1,234,162.16 × 469,530.88
  4. Step 4: Simplify right side
    824,612.16x = 579,477,245,047.50
  5. Step 5: Solve for x
    x = 579,477,245,047.50/824,612.16
  6. Step 6: Final answer
    x = 702,727.02

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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.