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Finding the Fourth Proportional to 577,346.77, 796,706.24 and 319,208.68

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Solution

The fourth proportional to 577,346.77, 796,706.24 and 319,208.68 is: 440,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,346.77 : 796,706.24 = 319,208.68 : x
  2. Step 2: Convert to fraction form
    577,346.77/796,706.24 = 319,208.68/x
  3. Step 3: Cross multiply
    577,346.77x = 796,706.24 × 319,208.68
  4. Step 4: Simplify right side
    577,346.77x = 254,315,547,218.16
  5. Step 5: Solve for x
    x = 254,315,547,218.16/577,346.77
  6. Step 6: Final answer
    x = 440,490.12

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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.