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Finding the Fourth Proportional to 353,550.20, 529,547.70 and 306,894.20

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Solution

The fourth proportional to 353,550.20, 529,547.70 and 306,894.20 is: 459,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,550.20 : 529,547.70 = 306,894.20 : x
  2. Step 2: Convert to fraction form
    353,550.20/529,547.70 = 306,894.20/x
  3. Step 3: Cross multiply
    353,550.20x = 529,547.70 × 306,894.20
  4. Step 4: Simplify right side
    353,550.20x = 162,515,117,753.34
  5. Step 5: Solve for x
    x = 162,515,117,753.34/353,550.20
  6. Step 6: Final answer
    x = 459,666.32

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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.