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Finding the Fourth Proportional to 673,963.34, 930,069.95 and 432,245.16

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Solution

The fourth proportional to 673,963.34, 930,069.95 and 432,245.16 is: 596,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,963.34 : 930,069.95 = 432,245.16 : x
  2. Step 2: Convert to fraction form
    673,963.34/930,069.95 = 432,245.16/x
  3. Step 3: Cross multiply
    673,963.34x = 930,069.95 × 432,245.16
  4. Step 4: Simplify right side
    673,963.34x = 402,018,232,187.72
  5. Step 5: Solve for x
    x = 402,018,232,187.72/673,963.34
  6. Step 6: Final answer
    x = 596,498.67

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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.