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Finding the Fourth Proportional to 635,997.63, 877,730.61 and 432,500.01

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Solution

The fourth proportional to 635,997.63, 877,730.61 and 432,500.01 is: 596,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,997.63 : 877,730.61 = 432,500.01 : x
  2. Step 2: Convert to fraction form
    635,997.63/877,730.61 = 432,500.01/x
  3. Step 3: Cross multiply
    635,997.63x = 877,730.61 × 432,500.01
  4. Step 4: Simplify right side
    635,997.63x = 379,618,497,602.31
  5. Step 5: Solve for x
    x = 379,618,497,602.31/635,997.63
  6. Step 6: Final answer
    x = 596,886.65

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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.