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Finding the Fourth Proportional to 480,503.25, 662,275.68 and 439,779.33

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Solution

The fourth proportional to 480,503.25, 662,275.68 and 439,779.33 is: 606,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,503.25 : 662,275.68 = 439,779.33 : x
  2. Step 2: Convert to fraction form
    480,503.25/662,275.68 = 439,779.33/x
  3. Step 3: Cross multiply
    480,503.25x = 662,275.68 × 439,779.33
  4. Step 4: Simplify right side
    480,503.25x = 291,255,154,825.69
  5. Step 5: Solve for x
    x = 291,255,154,825.69/480,503.25
  6. Step 6: Final answer
    x = 606,146.07

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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.