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Finding the Fourth Proportional to 595,015.34, 821,005.68 and 353,373.71

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Solution

The fourth proportional to 595,015.34, 821,005.68 and 353,373.71 is: 487,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,015.34 : 821,005.68 = 353,373.71 : x
  2. Step 2: Convert to fraction form
    595,015.34/821,005.68 = 353,373.71/x
  3. Step 3: Cross multiply
    595,015.34x = 821,005.68 × 353,373.71
  4. Step 4: Simplify right side
    595,015.34x = 290,121,820,292.80
  5. Step 5: Solve for x
    x = 290,121,820,292.80/595,015.34
  6. Step 6: Final answer
    x = 487,587.13

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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.