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Finding the Fourth Proportional to 522,368.93, 721,023.09 and 341,109.16

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Solution

The fourth proportional to 522,368.93, 721,023.09 and 341,109.16 is: 470,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,368.93 : 721,023.09 = 341,109.16 : x
  2. Step 2: Convert to fraction form
    522,368.93/721,023.09 = 341,109.16/x
  3. Step 3: Cross multiply
    522,368.93x = 721,023.09 × 341,109.16
  4. Step 4: Simplify right side
    522,368.93x = 245,947,580,570.50
  5. Step 5: Solve for x
    x = 245,947,580,570.50/522,368.93
  6. Step 6: Final answer
    x = 470,831.18

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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.