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Finding the Fourth Proportional to 517,955.04, 714,888 and 348,090.66

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Solution

The fourth proportional to 517,955.04, 714,888 and 348,090.66 is: 480,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,955.04 : 714,888 = 348,090.66 : x
  2. Step 2: Convert to fraction form
    517,955.04/714,888 = 348,090.66/x
  3. Step 3: Cross multiply
    517,955.04x = 714,888 × 348,090.66
  4. Step 4: Simplify right side
    517,955.04x = 248,845,835,746.08
  5. Step 5: Solve for x
    x = 248,845,835,746.08/517,955.04
  6. Step 6: Final answer
    x = 480,439.07

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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.