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Finding the Fourth Proportional to 713,607.70, 1,068,921.15 and 334,851.70

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Solution

The fourth proportional to 713,607.70, 1,068,921.15 and 334,851.70 is: 501,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,607.70 : 1,068,921.15 = 334,851.70 : x
  2. Step 2: Convert to fraction form
    713,607.70/1,068,921.15 = 334,851.70/x
  3. Step 3: Cross multiply
    713,607.70x = 1,068,921.15 × 334,851.70
  4. Step 4: Simplify right side
    713,607.70x = 357,930,064,243.46
  5. Step 5: Solve for x
    x = 357,930,064,243.46/713,607.70
  6. Step 6: Final answer
    x = 501,578.20

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1.5x scale

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.