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Finding the Fourth Proportional to 671,792.32, 927,031.26 and 369,986.32

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Solution

The fourth proportional to 671,792.32, 927,031.26 and 369,986.32 is: 510,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,792.32 : 927,031.26 = 369,986.32 : x
  2. Step 2: Convert to fraction form
    671,792.32/927,031.26 = 369,986.32/x
  3. Step 3: Cross multiply
    671,792.32x = 927,031.26 × 369,986.32
  4. Step 4: Simplify right side
    671,792.32x = 342,988,884,412.36
  5. Step 5: Solve for x
    x = 342,988,884,412.36/671,792.32
  6. Step 6: Final answer
    x = 510,557.91

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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.