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Finding the Fourth Proportional to 497,319.32, 686,300.65 and 270,964.82

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Solution

The fourth proportional to 497,319.32, 686,300.65 and 270,964.82 is: 373,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,319.32 : 686,300.65 = 270,964.82 : x
  2. Step 2: Convert to fraction form
    497,319.32/686,300.65 = 270,964.82/x
  3. Step 3: Cross multiply
    497,319.32x = 686,300.65 × 270,964.82
  4. Step 4: Simplify right side
    497,319.32x = 185,963,332,093.13
  5. Step 5: Solve for x
    x = 185,963,332,093.13/497,319.32
  6. Step 6: Final answer
    x = 373,931.45

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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.