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Finding the Fourth Proportional to 316,786.65, 437,186.48 and 180,848.13

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Solution

The fourth proportional to 316,786.65, 437,186.48 and 180,848.13 is: 249,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,786.65 : 437,186.48 = 180,848.13 : x
  2. Step 2: Convert to fraction form
    316,786.65/437,186.48 = 180,848.13/x
  3. Step 3: Cross multiply
    316,786.65x = 437,186.48 × 180,848.13
  4. Step 4: Simplify right side
    316,786.65x = 79,064,356,465.04
  5. Step 5: Solve for x
    x = 79,064,356,465.04/316,786.65
  6. Step 6: Final answer
    x = 249,582.35

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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.