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Finding the Fourth Proportional to 615,452.04, 849,366.61 and 343,573.01

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Solution

The fourth proportional to 615,452.04, 849,366.61 and 343,573.01 is: 474,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,452.04 : 849,366.61 = 343,573.01 : x
  2. Step 2: Convert to fraction form
    615,452.04/849,366.61 = 343,573.01/x
  3. Step 3: Cross multiply
    615,452.04x = 849,366.61 × 343,573.01
  4. Step 4: Simplify right side
    615,452.04x = 291,819,440,870.56
  5. Step 5: Solve for x
    x = 291,819,440,870.56/615,452.04
  6. Step 6: Final answer
    x = 474,154.64

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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.