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Finding the Fourth Proportional to 692,961.63, 956,287.04 and 375,009.63

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Solution

The fourth proportional to 692,961.63, 956,287.04 and 375,009.63 is: 517,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,961.63 : 956,287.04 = 375,009.63 : x
  2. Step 2: Convert to fraction form
    692,961.63/956,287.04 = 375,009.63/x
  3. Step 3: Cross multiply
    692,961.63x = 956,287.04 × 375,009.63
  4. Step 4: Simplify right side
    692,961.63x = 358,616,849,044.20
  5. Step 5: Solve for x
    x = 358,616,849,044.20/692,961.63
  6. Step 6: Final answer
    x = 517,513.28

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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.