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Finding the Fourth Proportional to 702,695.48, 971,354.07 and 626,965.11

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Solution

The fourth proportional to 702,695.48, 971,354.07 and 626,965.11 is: 866,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,695.48 : 971,354.07 = 626,965.11 : x
  2. Step 2: Convert to fraction form
    702,695.48/971,354.07 = 626,965.11/x
  3. Step 3: Cross multiply
    702,695.48x = 971,354.07 × 626,965.11
  4. Step 4: Simplify right side
    702,695.48x = 609,005,111,346.50
  5. Step 5: Solve for x
    x = 609,005,111,346.50/702,695.48
  6. Step 6: Final answer
    x = 866,670.03

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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.