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Finding the Fourth Proportional to 545,763.92, 747,699.34 and 525,309.84

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Solution

The fourth proportional to 545,763.92, 747,699.34 and 525,309.84 is: 719,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,763.92 : 747,699.34 = 525,309.84 : x
  2. Step 2: Convert to fraction form
    545,763.92/747,699.34 = 525,309.84/x
  3. Step 3: Cross multiply
    545,763.92x = 747,699.34 × 525,309.84
  4. Step 4: Simplify right side
    545,763.92x = 392,773,820,663.51
  5. Step 5: Solve for x
    x = 392,773,820,663.51/545,763.92
  6. Step 6: Final answer
    x = 719,677.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.