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Finding the Fourth Proportional to 671,665.17, 926,598.06 and 453,803.52

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Solution

The fourth proportional to 671,665.17, 926,598.06 and 453,803.52 is: 626,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,665.17 : 926,598.06 = 453,803.52 : x
  2. Step 2: Convert to fraction form
    671,665.17/926,598.06 = 453,803.52/x
  3. Step 3: Cross multiply
    671,665.17x = 926,598.06 × 453,803.52
  4. Step 4: Simplify right side
    671,665.17x = 420,493,461,253.17
  5. Step 5: Solve for x
    x = 420,493,461,253.17/671,665.17
  6. Step 6: Final answer
    x = 626,046.25

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1.5x scale

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.