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Finding the Fourth Proportional to 575,666.64, 794,423.16 and 317,552.67

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Solution

The fourth proportional to 575,666.64, 794,423.16 and 317,552.67 is: 438,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,666.64 : 794,423.16 = 317,552.67 : x
  2. Step 2: Convert to fraction form
    575,666.64/794,423.16 = 317,552.67/x
  3. Step 3: Cross multiply
    575,666.64x = 794,423.16 × 317,552.67
  4. Step 4: Simplify right side
    575,666.64x = 252,271,195,567.84
  5. Step 5: Solve for x
    x = 252,271,195,567.84/575,666.64
  6. Step 6: Final answer
    x = 438,224.45

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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.