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Finding the Fourth Proportional to 675,065.13, 931,150.95 and 432,964.23

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Solution

The fourth proportional to 675,065.13, 931,150.95 and 432,964.23 is: 597,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,065.13 : 931,150.95 = 432,964.23 : x
  2. Step 2: Convert to fraction form
    675,065.13/931,150.95 = 432,964.23/x
  3. Step 3: Cross multiply
    675,065.13x = 931,150.95 × 432,964.23
  4. Step 4: Simplify right side
    675,065.13x = 403,155,054,080.52
  5. Step 5: Solve for x
    x = 403,155,054,080.52/675,065.13
  6. Step 6: Final answer
    x = 597,209.12

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Double scale
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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.