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Finding the Fourth Proportional to 616,332.34, 850,623.06 and 354,682.24

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Solution

The fourth proportional to 616,332.34, 850,623.06 and 354,682.24 is: 489,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,332.34 : 850,623.06 = 354,682.24 : x
  2. Step 2: Convert to fraction form
    616,332.34/850,623.06 = 354,682.24/x
  3. Step 3: Cross multiply
    616,332.34x = 850,623.06 × 354,682.24
  4. Step 4: Simplify right side
    616,332.34x = 301,700,892,316.45
  5. Step 5: Solve for x
    x = 301,700,892,316.45/616,332.34
  6. Step 6: Final answer
    x = 489,510.08

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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.