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Finding the Fourth Proportional to 416,877.68, 625,316.88 and 292,772.72

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Solution

The fourth proportional to 416,877.68, 625,316.88 and 292,772.72 is: 439,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,877.68 : 625,316.88 = 292,772.72 : x
  2. Step 2: Convert to fraction form
    416,877.68/625,316.88 = 292,772.72/x
  3. Step 3: Cross multiply
    416,877.68x = 625,316.88 × 292,772.72
  4. Step 4: Simplify right side
    416,877.68x = 183,075,723,819.51
  5. Step 5: Solve for x
    x = 183,075,723,819.51/416,877.68
  6. Step 6: Final answer
    x = 439,159.33

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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.