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Finding the Fourth Proportional to 556,437.60, 834,656.40 and 357,147.23

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Solution

The fourth proportional to 556,437.60, 834,656.40 and 357,147.23 is: 535,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,437.60 : 834,656.40 = 357,147.23 : x
  2. Step 2: Convert to fraction form
    556,437.60/834,656.40 = 357,147.23/x
  3. Step 3: Cross multiply
    556,437.60x = 834,656.40 × 357,147.23
  4. Step 4: Simplify right side
    556,437.60x = 298,095,217,088.49
  5. Step 5: Solve for x
    x = 298,095,217,088.49/556,437.60
  6. Step 6: Final answer
    x = 535,720.84

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Similar ratio
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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.