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Finding the Fourth Proportional to 562,210.35, 775,856.40 and 307,556.07

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Solution

The fourth proportional to 562,210.35, 775,856.40 and 307,556.07 is: 424,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,210.35 : 775,856.40 = 307,556.07 : x
  2. Step 2: Convert to fraction form
    562,210.35/775,856.40 = 307,556.07/x
  3. Step 3: Cross multiply
    562,210.35x = 775,856.40 × 307,556.07
  4. Step 4: Simplify right side
    562,210.35x = 238,619,345,268.35
  5. Step 5: Solve for x
    x = 238,619,345,268.35/562,210.35
  6. Step 6: Final answer
    x = 424,430.72

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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.