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Finding the Fourth Proportional to 649,307.80, 896,027.56 and 362,830.24

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Solution

The fourth proportional to 649,307.80, 896,027.56 and 362,830.24 is: 500,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,307.80 : 896,027.56 = 362,830.24 : x
  2. Step 2: Convert to fraction form
    649,307.80/896,027.56 = 362,830.24/x
  3. Step 3: Cross multiply
    649,307.80x = 896,027.56 × 362,830.24
  4. Step 4: Simplify right side
    649,307.80x = 325,105,894,641.41
  5. Step 5: Solve for x
    x = 325,105,894,641.41/649,307.80
  6. Step 6: Final answer
    x = 500,696.12

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Double scale
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Similar ratio
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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.