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Finding the Fourth Proportional to 652,642.65, 900,740.52 and 362,320.83

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Solution

The fourth proportional to 652,642.65, 900,740.52 and 362,320.83 is: 500,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,642.65 : 900,740.52 = 362,320.83 : x
  2. Step 2: Convert to fraction form
    652,642.65/900,740.52 = 362,320.83/x
  3. Step 3: Cross multiply
    652,642.65x = 900,740.52 × 362,320.83
  4. Step 4: Simplify right side
    652,642.65x = 326,357,052,821.03
  5. Step 5: Solve for x
    x = 326,357,052,821.03/652,642.65
  6. Step 6: Final answer
    x = 500,054.74

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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.