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Finding the Fourth Proportional to 554,287.65, 765,124.95 and 363,313.34

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Solution

The fourth proportional to 554,287.65, 765,124.95 and 363,313.34 is: 501,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,287.65 : 765,124.95 = 363,313.34 : x
  2. Step 2: Convert to fraction form
    554,287.65/765,124.95 = 363,313.34/x
  3. Step 3: Cross multiply
    554,287.65x = 765,124.95 × 363,313.34
  4. Step 4: Simplify right side
    554,287.65x = 277,980,101,101.83
  5. Step 5: Solve for x
    x = 277,980,101,101.83/554,287.65
  6. Step 6: Final answer
    x = 501,508.74

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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.