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Finding the Fourth Proportional to 514,775.99, 710,150.59 and 323,894.63

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Solution

The fourth proportional to 514,775.99, 710,150.59 and 323,894.63 is: 446,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,775.99 : 710,150.59 = 323,894.63 : x
  2. Step 2: Convert to fraction form
    514,775.99/710,150.59 = 323,894.63/x
  3. Step 3: Cross multiply
    514,775.99x = 710,150.59 × 323,894.63
  4. Step 4: Simplify right side
    514,775.99x = 230,013,964,772.58
  5. Step 5: Solve for x
    x = 230,013,964,772.58/514,775.99
  6. Step 6: Final answer
    x = 446,823.41

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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.