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Finding the Fourth Proportional to 525,799.02, 725,602.95 and 284,081.52

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Solution

The fourth proportional to 525,799.02, 725,602.95 and 284,081.52 is: 392,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,799.02 : 725,602.95 = 284,081.52 : x
  2. Step 2: Convert to fraction form
    525,799.02/725,602.95 = 284,081.52/x
  3. Step 3: Cross multiply
    525,799.02x = 725,602.95 × 284,081.52
  4. Step 4: Simplify right side
    525,799.02x = 206,130,388,952.48
  5. Step 5: Solve for x
    x = 206,130,388,952.48/525,799.02
  6. Step 6: Final answer
    x = 392,032.66

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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.