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Finding the Fourth Proportional to 562,111.48, 775,726.14 and 307,462.67

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Solution

The fourth proportional to 562,111.48, 775,726.14 and 307,462.67 is: 424,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,111.48 : 775,726.14 = 307,462.67 : x
  2. Step 2: Convert to fraction form
    562,111.48/775,726.14 = 307,462.67/x
  3. Step 3: Cross multiply
    562,111.48x = 775,726.14 × 307,462.67
  4. Step 4: Simplify right side
    562,111.48x = 238,506,830,193.19
  5. Step 5: Solve for x
    x = 238,506,830,193.19/562,111.48
  6. Step 6: Final answer
    x = 424,305.21

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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.