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Finding the Fourth Proportional to 710,612.62, 980,745.43 and 452,407.08

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Solution

The fourth proportional to 710,612.62, 980,745.43 and 452,407.08 is: 624,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,612.62 : 980,745.43 = 452,407.08 : x
  2. Step 2: Convert to fraction form
    710,612.62/980,745.43 = 452,407.08/x
  3. Step 3: Cross multiply
    710,612.62x = 980,745.43 × 452,407.08
  4. Step 4: Simplify right side
    710,612.62x = 443,696,176,209.64
  5. Step 5: Solve for x
    x = 443,696,176,209.64/710,612.62
  6. Step 6: Final answer
    x = 624,385.44

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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.