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Finding the Fourth Proportional to 597,688.80, 824,810.40 and 329,416.80

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Solution

The fourth proportional to 597,688.80, 824,810.40 and 329,416.80 is: 454,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,688.80 : 824,810.40 = 329,416.80 : x
  2. Step 2: Convert to fraction form
    597,688.80/824,810.40 = 329,416.80/x
  3. Step 3: Cross multiply
    597,688.80x = 824,810.40 × 329,416.80
  4. Step 4: Simplify right side
    597,688.80x = 271,706,402,574.72
  5. Step 5: Solve for x
    x = 271,706,402,574.72/597,688.80
  6. Step 6: Final answer
    x = 454,595.10

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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.