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Finding the Fourth Proportional to 556,674.31, 768,210.60 and 302,025.52

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Solution

The fourth proportional to 556,674.31, 768,210.60 and 302,025.52 is: 416,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,674.31 : 768,210.60 = 302,025.52 : x
  2. Step 2: Convert to fraction form
    556,674.31/768,210.60 = 302,025.52/x
  3. Step 3: Cross multiply
    556,674.31x = 768,210.60 × 302,025.52
  4. Step 4: Simplify right side
    556,674.31x = 232,019,205,934.51
  5. Step 5: Solve for x
    x = 232,019,205,934.51/556,674.31
  6. Step 6: Final answer
    x = 416,795.25

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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.