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Finding the Fourth Proportional to 546,878.79, 754,580.05 and 314,260.81

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Solution

The fourth proportional to 546,878.79, 754,580.05 and 314,260.81 is: 433,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,878.79 : 754,580.05 = 314,260.81 : x
  2. Step 2: Convert to fraction form
    546,878.79/754,580.05 = 314,260.81/x
  3. Step 3: Cross multiply
    546,878.79x = 754,580.05 × 314,260.81
  4. Step 4: Simplify right side
    546,878.79x = 237,134,935,050.74
  5. Step 5: Solve for x
    x = 237,134,935,050.74/546,878.79
  6. Step 6: Final answer
    x = 433,615.16

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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.