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Finding the Fourth Proportional to 555,632.80, 776,952.80 and 555,632.80

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Solution

The fourth proportional to 555,632.80, 776,952.80 and 555,632.80 is: 776,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,632.80 : 776,952.80 = 555,632.80 : x
  2. Step 2: Convert to fraction form
    555,632.80/776,952.80 = 555,632.80/x
  3. Step 3: Cross multiply
    555,632.80x = 776,952.80 × 555,632.80
  4. Step 4: Simplify right side
    555,632.80x = 431,700,459,731.84
  5. Step 5: Solve for x
    x = 431,700,459,731.84/555,632.80
  6. Step 6: Final answer
    x = 776,952.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.