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Finding the Fourth Proportional to 719,315.92, 993,029 and 525,506

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Solution

The fourth proportional to 719,315.92, 993,029 and 525,506 is: 725,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,315.92 : 993,029 = 525,506 : x
  2. Step 2: Convert to fraction form
    719,315.92/993,029 = 525,506/x
  3. Step 3: Cross multiply
    719,315.92x = 993,029 × 525,506
  4. Step 4: Simplify right side
    719,315.92x = 521,842,697,674
  5. Step 5: Solve for x
    x = 521,842,697,674/719,315.92
  6. Step 6: Final answer
    x = 725,470.80

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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.