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Finding the Fourth Proportional to 560,412.32, 772,465.54 and 379,058.07

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Solution

The fourth proportional to 560,412.32, 772,465.54 and 379,058.07 is: 522,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,412.32 : 772,465.54 = 379,058.07 : x
  2. Step 2: Convert to fraction form
    560,412.32/772,465.54 = 379,058.07/x
  3. Step 3: Cross multiply
    560,412.32x = 772,465.54 × 379,058.07
  4. Step 4: Simplify right side
    560,412.32x = 292,809,296,733.91
  5. Step 5: Solve for x
    x = 292,809,296,733.91/560,412.32
  6. Step 6: Final answer
    x = 522,489.04

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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.