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Finding the Fourth Proportional to 525,644.04, 725,135.10 and 344,276.16

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Solution

The fourth proportional to 525,644.04, 725,135.10 and 344,276.16 is: 474,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,644.04 : 725,135.10 = 344,276.16 : x
  2. Step 2: Convert to fraction form
    525,644.04/725,135.10 = 344,276.16/x
  3. Step 3: Cross multiply
    525,644.04x = 725,135.10 × 344,276.16
  4. Step 4: Simplify right side
    525,644.04x = 249,646,727,709.22
  5. Step 5: Solve for x
    x = 249,646,727,709.22/525,644.04
  6. Step 6: Final answer
    x = 474,934.95

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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.