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Finding the Fourth Proportional to 446,386.60, 616,119.78 and 255,510.28

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Solution

The fourth proportional to 446,386.60, 616,119.78 and 255,510.28 is: 352,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,386.60 : 616,119.78 = 255,510.28 : x
  2. Step 2: Convert to fraction form
    446,386.60/616,119.78 = 255,510.28/x
  3. Step 3: Cross multiply
    446,386.60x = 616,119.78 × 255,510.28
  4. Step 4: Simplify right side
    446,386.60x = 157,424,937,501.34
  5. Step 5: Solve for x
    x = 157,424,937,501.34/446,386.60
  6. Step 6: Final answer
    x = 352,665.02

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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.