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Finding the Fourth Proportional to 536,878.77, 740,886.06 and 295,159.23

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Solution

The fourth proportional to 536,878.77, 740,886.06 and 295,159.23 is: 407,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,878.77 : 740,886.06 = 295,159.23 : x
  2. Step 2: Convert to fraction form
    536,878.77/740,886.06 = 295,159.23/x
  3. Step 3: Cross multiply
    536,878.77x = 740,886.06 × 295,159.23
  4. Step 4: Simplify right side
    536,878.77x = 218,679,358,014.64
  5. Step 5: Solve for x
    x = 218,679,358,014.64/536,878.77
  6. Step 6: Final answer
    x = 407,316.08

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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.