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Finding the Fourth Proportional to 616,802.52, 851,296.38 and 358,759.32

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Solution

The fourth proportional to 616,802.52, 851,296.38 and 358,759.32 is: 495,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,802.52 : 851,296.38 = 358,759.32 : x
  2. Step 2: Convert to fraction form
    616,802.52/851,296.38 = 358,759.32/x
  3. Step 3: Cross multiply
    616,802.52x = 851,296.38 × 358,759.32
  4. Step 4: Simplify right side
    616,802.52x = 305,410,510,407.26
  5. Step 5: Solve for x
    x = 305,410,510,407.26/616,802.52
  6. Step 6: Final answer
    x = 495,151.20

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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.