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Finding the Fourth Proportional to 468,547.32, 646,592.54 and 253,682.86

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Solution

The fourth proportional to 468,547.32, 646,592.54 and 253,682.86 is: 350,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,547.32 : 646,592.54 = 253,682.86 : x
  2. Step 2: Convert to fraction form
    468,547.32/646,592.54 = 253,682.86/x
  3. Step 3: Cross multiply
    468,547.32x = 646,592.54 × 253,682.86
  4. Step 4: Simplify right side
    468,547.32x = 164,029,444,801.86
  5. Step 5: Solve for x
    x = 164,029,444,801.86/468,547.32
  6. Step 6: Final answer
    x = 350,080.85

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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.