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Finding the Fourth Proportional to 659,484.48, 910,088.65 and 372,998.48

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Solution

The fourth proportional to 659,484.48, 910,088.65 and 372,998.48 is: 514,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,484.48 : 910,088.65 = 372,998.48 : x
  2. Step 2: Convert to fraction form
    659,484.48/910,088.65 = 372,998.48/x
  3. Step 3: Cross multiply
    659,484.48x = 910,088.65 × 372,998.48
  4. Step 4: Simplify right side
    659,484.48x = 339,461,678,564.81
  5. Step 5: Solve for x
    x = 339,461,678,564.81/659,484.48
  6. Step 6: Final answer
    x = 514,737.94

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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.