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Finding the Fourth Proportional to 605,202,401.90, 907,803,602.85 and 360,314,389.10

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Solution

The fourth proportional to 605,202,401.90, 907,803,602.85 and 360,314,389.10 is: 540,471,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,202,401.90 : 907,803,602.85 = 360,314,389.10 : x
  2. Step 2: Convert to fraction form
    605,202,401.90/907,803,602.85 = 360,314,389.10/x
  3. Step 3: Cross multiply
    605,202,401.90x = 907,803,602.85 × 360,314,389.10
  4. Step 4: Simplify right side
    605,202,401.90x = 327,094,700,583,676,800
  5. Step 5: Solve for x
    x = 327,094,700,583,676,800/605,202,401.90
  6. Step 6: Final answer
    x = 540,471,583.65

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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.