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Finding the Fourth Proportional to 634,501.74, 875,597.36 and 348,019.32

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Solution

The fourth proportional to 634,501.74, 875,597.36 and 348,019.32 is: 480,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,501.74 : 875,597.36 = 348,019.32 : x
  2. Step 2: Convert to fraction form
    634,501.74/875,597.36 = 348,019.32/x
  3. Step 3: Cross multiply
    634,501.74x = 875,597.36 × 348,019.32
  4. Step 4: Simplify right side
    634,501.74x = 304,724,797,821.00
  5. Step 5: Solve for x
    x = 304,724,797,821.00/634,501.74
  6. Step 6: Final answer
    x = 480,258.41

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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.