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Finding the Fourth Proportional to 585,404.04, 807,894.90 and 359,018.76

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Solution

The fourth proportional to 585,404.04, 807,894.90 and 359,018.76 is: 495,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,404.04 : 807,894.90 = 359,018.76 : x
  2. Step 2: Convert to fraction form
    585,404.04/807,894.90 = 359,018.76/x
  3. Step 3: Cross multiply
    585,404.04x = 807,894.90 × 359,018.76
  4. Step 4: Simplify right side
    585,404.04x = 290,049,425,208.32
  5. Step 5: Solve for x
    x = 290,049,425,208.32/585,404.04
  6. Step 6: Final answer
    x = 495,468.78

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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.