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Finding the Fourth Proportional to 556,463.64, 767,156.22 and 372,630.36

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Solution

The fourth proportional to 556,463.64, 767,156.22 and 372,630.36 is: 513,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,463.64 : 767,156.22 = 372,630.36 : x
  2. Step 2: Convert to fraction form
    556,463.64/767,156.22 = 372,630.36/x
  3. Step 3: Cross multiply
    556,463.64x = 767,156.22 × 372,630.36
  4. Step 4: Simplify right side
    556,463.64x = 285,865,698,434.84
  5. Step 5: Solve for x
    x = 285,865,698,434.84/556,463.64
  6. Step 6: Final answer
    x = 513,718.56

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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.