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Finding the Fourth Proportional to 292,106.79, 435,582.99 and 281,699.39

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Solution

The fourth proportional to 292,106.79, 435,582.99 and 281,699.39 is: 420,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,106.79 : 435,582.99 = 281,699.39 : x
  2. Step 2: Convert to fraction form
    292,106.79/435,582.99 = 281,699.39/x
  3. Step 3: Cross multiply
    292,106.79x = 435,582.99 × 281,699.39
  4. Step 4: Simplify right side
    292,106.79x = 122,703,463,666.33
  5. Step 5: Solve for x
    x = 122,703,463,666.33/292,106.79
  6. Step 6: Final answer
    x = 420,063.72

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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.