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Finding the Fourth Proportional to 574,933.66, 787,661.93 and 553,385.22

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Solution

The fourth proportional to 574,933.66, 787,661.93 and 553,385.22 is: 758,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,933.66 : 787,661.93 = 553,385.22 : x
  2. Step 2: Convert to fraction form
    574,933.66/787,661.93 = 553,385.22/x
  3. Step 3: Cross multiply
    574,933.66x = 787,661.93 × 553,385.22
  4. Step 4: Simplify right side
    574,933.66x = 435,880,468,848.41
  5. Step 5: Solve for x
    x = 435,880,468,848.41/574,933.66
  6. Step 6: Final answer
    x = 758,140.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.