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Finding the Fourth Proportional to 935,458.70, 1,401,114.45 and 562,210.70

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Solution

The fourth proportional to 935,458.70, 1,401,114.45 and 562,210.70 is: 842,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,458.70 : 1,401,114.45 = 562,210.70 : x
  2. Step 2: Convert to fraction form
    935,458.70/1,401,114.45 = 562,210.70/x
  3. Step 3: Cross multiply
    935,458.70x = 1,401,114.45 × 562,210.70
  4. Step 4: Simplify right side
    935,458.70x = 787,721,535,714.62
  5. Step 5: Solve for x
    x = 787,721,535,714.62/935,458.70
  6. Step 6: Final answer
    x = 842,069.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.