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Finding the Fourth Proportional to 550,370.90, 825,556.35 and 507,068.30

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Solution

The fourth proportional to 550,370.90, 825,556.35 and 507,068.30 is: 760,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,370.90 : 825,556.35 = 507,068.30 : x
  2. Step 2: Convert to fraction form
    550,370.90/825,556.35 = 507,068.30/x
  3. Step 3: Cross multiply
    550,370.90x = 825,556.35 × 507,068.30
  4. Step 4: Simplify right side
    550,370.90x = 418,613,454,948.71
  5. Step 5: Solve for x
    x = 418,613,454,948.71/550,370.90
  6. Step 6: Final answer
    x = 760,602.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.