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Finding the Fourth Proportional to 562,095.92, 775,710.80 and 307,447.12

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Solution

The fourth proportional to 562,095.92, 775,710.80 and 307,447.12 is: 424,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,095.92 : 775,710.80 = 307,447.12 : x
  2. Step 2: Convert to fraction form
    562,095.92/775,710.80 = 307,447.12/x
  3. Step 3: Cross multiply
    562,095.92x = 775,710.80 × 307,447.12
  4. Step 4: Simplify right side
    562,095.92x = 238,490,051,412.90
  5. Step 5: Solve for x
    x = 238,490,051,412.90/562,095.92
  6. Step 6: Final answer
    x = 424,287.11

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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.