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Finding the Fourth Proportional to 625,554.88, 938,332.43 and 152,240.25

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Solution

The fourth proportional to 625,554.88, 938,332.43 and 152,240.25 is: 228,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,554.88 : 938,332.43 = 152,240.25 : x
  2. Step 2: Convert to fraction form
    625,554.88/938,332.43 = 152,240.25/x
  3. Step 3: Cross multiply
    625,554.88x = 938,332.43 × 152,240.25
  4. Step 4: Simplify right side
    625,554.88x = 142,851,963,726.31
  5. Step 5: Solve for x
    x = 142,851,963,726.31/625,554.88
  6. Step 6: Final answer
    x = 228,360.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.