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Finding the Fourth Proportional to 672,053.60, 927,423.60 and 370,258.40

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Solution

The fourth proportional to 672,053.60, 927,423.60 and 370,258.40 is: 510,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,053.60 : 927,423.60 = 370,258.40 : x
  2. Step 2: Convert to fraction form
    672,053.60/927,423.60 = 370,258.40/x
  3. Step 3: Cross multiply
    672,053.60x = 927,423.60 × 370,258.40
  4. Step 4: Simplify right side
    672,053.60x = 343,386,378,258.24
  5. Step 5: Solve for x
    x = 343,386,378,258.24/672,053.60
  6. Step 6: Final answer
    x = 510,950.88

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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.