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Finding the Fourth Proportional to 525,265.17, 782,901.12 and 495,368.88

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Solution

The fourth proportional to 525,265.17, 782,901.12 and 495,368.88 is: 738,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,265.17 : 782,901.12 = 495,368.88 : x
  2. Step 2: Convert to fraction form
    525,265.17/782,901.12 = 495,368.88/x
  3. Step 3: Cross multiply
    525,265.17x = 782,901.12 × 495,368.88
  4. Step 4: Simplify right side
    525,265.17x = 387,824,850,965.15
  5. Step 5: Solve for x
    x = 387,824,850,965.15/525,265.17
  6. Step 6: Final answer
    x = 738,341.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.