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Finding the Fourth Proportional to 556,656.84, 834,870.42 and 272,055.24

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Solution

The fourth proportional to 556,656.84, 834,870.42 and 272,055.24 is: 408,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,656.84 : 834,870.42 = 272,055.24 : x
  2. Step 2: Convert to fraction form
    556,656.84/834,870.42 = 272,055.24/x
  3. Step 3: Cross multiply
    556,656.84x = 834,870.42 × 272,055.24
  4. Step 4: Simplify right side
    556,656.84x = 227,130,872,482.00
  5. Step 5: Solve for x
    x = 227,130,872,482.00/556,656.84
  6. Step 6: Final answer
    x = 408,026.73

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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.