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Finding the Fourth Proportional to 583,913.76, 805,801.13 and 329,265.01

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Solution

The fourth proportional to 583,913.76, 805,801.13 and 329,265.01 is: 454,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,913.76 : 805,801.13 = 329,265.01 : x
  2. Step 2: Convert to fraction form
    583,913.76/805,801.13 = 329,265.01/x
  3. Step 3: Cross multiply
    583,913.76x = 805,801.13 × 329,265.01
  4. Step 4: Simplify right side
    583,913.76x = 265,322,117,127.46
  5. Step 5: Solve for x
    x = 265,322,117,127.46/583,913.76
  6. Step 6: Final answer
    x = 454,385.79

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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.