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Finding the Fourth Proportional to 719,574, 992,089.08 and 590,035.20

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Solution

The fourth proportional to 719,574, 992,089.08 and 590,035.20 is: 813,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,574 : 992,089.08 = 590,035.20 : x
  2. Step 2: Convert to fraction form
    719,574/992,089.08 = 590,035.20/x
  3. Step 3: Cross multiply
    719,574x = 992,089.08 × 590,035.20
  4. Step 4: Simplify right side
    719,574x = 585,367,478,735.62
  5. Step 5: Solve for x
    x = 585,367,478,735.62/719,574
  6. Step 6: Final answer
    x = 813,491.70

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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.