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Finding the Fourth Proportional to 635,953.71, 877,664.93 and 364,106.87

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Solution

The fourth proportional to 635,953.71, 877,664.93 and 364,106.87 is: 502,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,953.71 : 877,664.93 = 364,106.87 : x
  2. Step 2: Convert to fraction form
    635,953.71/877,664.93 = 364,106.87/x
  3. Step 3: Cross multiply
    635,953.71x = 877,664.93 × 364,106.87
  4. Step 4: Simplify right side
    635,953.71x = 319,563,830,571.07
  5. Step 5: Solve for x
    x = 319,563,830,571.07/635,953.71
  6. Step 6: Final answer
    x = 502,495.43

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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.