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Finding the Fourth Proportional to 674,295, 1,011,590.36 and 253,570.92

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Solution

The fourth proportional to 674,295, 1,011,590.36 and 253,570.92 is: 380,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,295 : 1,011,590.36 = 253,570.92 : x
  2. Step 2: Convert to fraction form
    674,295/1,011,590.36 = 253,570.92/x
  3. Step 3: Cross multiply
    674,295x = 1,011,590.36 × 253,570.92
  4. Step 4: Simplify right side
    674,295x = 256,509,898,248.33
  5. Step 5: Solve for x
    x = 256,509,898,248.33/674,295
  6. Step 6: Final answer
    x = 380,411.98

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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.