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Finding the Fourth Proportional to 456,899.32, 630,853.68 and 366,751.18

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Solution

The fourth proportional to 456,899.32, 630,853.68 and 366,751.18 is: 506,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,899.32 : 630,853.68 = 366,751.18 : x
  2. Step 2: Convert to fraction form
    456,899.32/630,853.68 = 366,751.18/x
  3. Step 3: Cross multiply
    456,899.32x = 630,853.68 × 366,751.18
  4. Step 4: Simplify right side
    456,899.32x = 231,366,331,547.34
  5. Step 5: Solve for x
    x = 231,366,331,547.34/456,899.32
  6. Step 6: Final answer
    x = 506,383.62

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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.