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Finding the Fourth Proportional to 562,565.58, 776,341.44 and 307,932.90

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Solution

The fourth proportional to 562,565.58, 776,341.44 and 307,932.90 is: 424,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,565.58 : 776,341.44 = 307,932.90 : x
  2. Step 2: Convert to fraction form
    562,565.58/776,341.44 = 307,932.90/x
  3. Step 3: Cross multiply
    562,565.58x = 776,341.44 × 307,932.90
  4. Step 4: Simplify right side
    562,565.58x = 239,061,071,009.38
  5. Step 5: Solve for x
    x = 239,061,071,009.38/562,565.58
  6. Step 6: Final answer
    x = 424,947.92

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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.