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Finding the Fourth Proportional to 562,316.36, 775,995.62 and 307,667.08

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Solution

The fourth proportional to 562,316.36, 775,995.62 and 307,667.08 is: 424,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,316.36 : 775,995.62 = 307,667.08 : x
  2. Step 2: Convert to fraction form
    562,316.36/775,995.62 = 307,667.08/x
  3. Step 3: Cross multiply
    562,316.36x = 775,995.62 × 307,667.08
  4. Step 4: Simplify right side
    562,316.36x = 238,748,306,498.19
  5. Step 5: Solve for x
    x = 238,748,306,498.19/562,316.36
  6. Step 6: Final answer
    x = 424,580.05

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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.