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Finding the Fourth Proportional to 456,618.96, 630,117.90 and 252,666.36

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Solution

The fourth proportional to 456,618.96, 630,117.90 and 252,666.36 is: 348,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,618.96 : 630,117.90 = 252,666.36 : x
  2. Step 2: Convert to fraction form
    456,618.96/630,117.90 = 252,666.36/x
  3. Step 3: Cross multiply
    456,618.96x = 630,117.90 × 252,666.36
  4. Step 4: Simplify right side
    456,618.96x = 159,209,596,163.84
  5. Step 5: Solve for x
    x = 159,209,596,163.84/456,618.96
  6. Step 6: Final answer
    x = 348,670.58

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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.