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Finding the Fourth Proportional to 615,585.67, 849,551.01 and 343,707.01

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Solution

The fourth proportional to 615,585.67, 849,551.01 and 343,707.01 is: 474,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,585.67 : 849,551.01 = 343,707.01 : x
  2. Step 2: Convert to fraction form
    615,585.67/849,551.01 = 343,707.01/x
  3. Step 3: Cross multiply
    615,585.67x = 849,551.01 × 343,707.01
  4. Step 4: Simplify right side
    615,585.67x = 291,996,637,489.58
  5. Step 5: Solve for x
    x = 291,996,637,489.58/615,585.67
  6. Step 6: Final answer
    x = 474,339.56

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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.