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Finding the Fourth Proportional to 562,088.96, 775,677.12 and 307,445.12

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Solution

The fourth proportional to 562,088.96, 775,677.12 and 307,445.12 is: 424,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,088.96 : 775,677.12 = 307,445.12 : x
  2. Step 2: Convert to fraction form
    562,088.96/775,677.12 = 307,445.12/x
  3. Step 3: Cross multiply
    562,088.96x = 775,677.12 × 307,445.12
  4. Step 4: Simplify right side
    562,088.96x = 238,478,145,239.65
  5. Step 5: Solve for x
    x = 238,478,145,239.65/562,088.96
  6. Step 6: Final answer
    x = 424,271.18

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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.