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Finding the Fourth Proportional to 344,340.32, 475,246.04 and 286,888.53

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Solution

The fourth proportional to 344,340.32, 475,246.04 and 286,888.53 is: 395,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,340.32 : 475,246.04 = 286,888.53 : x
  2. Step 2: Convert to fraction form
    344,340.32/475,246.04 = 286,888.53/x
  3. Step 3: Cross multiply
    344,340.32x = 475,246.04 × 286,888.53
  4. Step 4: Simplify right side
    344,340.32x = 136,342,638,151.65
  5. Step 5: Solve for x
    x = 136,342,638,151.65/344,340.32
  6. Step 6: Final answer
    x = 395,953.17

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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.