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Finding the Fourth Proportional to 360,023.10, 540,034.65 and 353,802.30

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Solution

The fourth proportional to 360,023.10, 540,034.65 and 353,802.30 is: 530,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,023.10 : 540,034.65 = 353,802.30 : x
  2. Step 2: Convert to fraction form
    360,023.10/540,034.65 = 353,802.30/x
  3. Step 3: Cross multiply
    360,023.10x = 540,034.65 × 353,802.30
  4. Step 4: Simplify right side
    360,023.10x = 191,065,501,249.70
  5. Step 5: Solve for x
    x = 191,065,501,249.70/360,023.10
  6. Step 6: Final answer
    x = 530,703.45

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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.