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Finding the Fourth Proportional to 675,608.63, 932,331.93 and 369,681.50

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Solution

The fourth proportional to 675,608.63, 932,331.93 and 369,681.50 is: 510,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,608.63 : 932,331.93 = 369,681.50 : x
  2. Step 2: Convert to fraction form
    675,608.63/932,331.93 = 369,681.50/x
  3. Step 3: Cross multiply
    675,608.63x = 932,331.93 × 369,681.50
  4. Step 4: Simplify right side
    675,608.63x = 344,665,861,718.64
  5. Step 5: Solve for x
    x = 344,665,861,718.64/675,608.63
  6. Step 6: Final answer
    x = 510,156.10

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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.