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Finding the Fourth Proportional to 565,904.16, 780,552.29 and 384,300.84

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Solution

The fourth proportional to 565,904.16, 780,552.29 and 384,300.84 is: 530,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,904.16 : 780,552.29 = 384,300.84 : x
  2. Step 2: Convert to fraction form
    565,904.16/780,552.29 = 384,300.84/x
  3. Step 3: Cross multiply
    565,904.16x = 780,552.29 × 384,300.84
  4. Step 4: Simplify right side
    565,904.16x = 299,966,898,789.42
  5. Step 5: Solve for x
    x = 299,966,898,789.42/565,904.16
  6. Step 6: Final answer
    x = 530,066.61

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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.