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Finding the Fourth Proportional to 370,397.16, 556,333.80 and 349,507.68

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Solution

The fourth proportional to 370,397.16, 556,333.80 and 349,507.68 is: 524,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,397.16 : 556,333.80 = 349,507.68 : x
  2. Step 2: Convert to fraction form
    370,397.16/556,333.80 = 349,507.68/x
  3. Step 3: Cross multiply
    370,397.16x = 556,333.80 × 349,507.68
  4. Step 4: Simplify right side
    370,397.16x = 194,442,935,743.58
  5. Step 5: Solve for x
    x = 194,442,935,743.58/370,397.16
  6. Step 6: Final answer
    x = 524,957.96

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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.