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Finding the Fourth Proportional to 675,460.89, 932,128.94 and 369,534.15

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Solution

The fourth proportional to 675,460.89, 932,128.94 and 369,534.15 is: 509,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,460.89 : 932,128.94 = 369,534.15 : x
  2. Step 2: Convert to fraction form
    675,460.89/932,128.94 = 369,534.15/x
  3. Step 3: Cross multiply
    675,460.89x = 932,128.94 × 369,534.15
  4. Step 4: Simplify right side
    675,460.89x = 344,453,473,685.63
  5. Step 5: Solve for x
    x = 344,453,473,685.63/675,460.89
  6. Step 6: Final answer
    x = 509,953.25

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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.