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Finding the Fourth Proportional to 707,032.79, 975,725.76 and 384,763.67

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Solution

The fourth proportional to 707,032.79, 975,725.76 and 384,763.67 is: 530,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,032.79 : 975,725.76 = 384,763.67 : x
  2. Step 2: Convert to fraction form
    707,032.79/975,725.76 = 384,763.67/x
  3. Step 3: Cross multiply
    707,032.79x = 975,725.76 × 384,763.67
  4. Step 4: Simplify right side
    707,032.79x = 375,423,819,452.51
  5. Step 5: Solve for x
    x = 375,423,819,452.51/707,032.79
  6. Step 6: Final answer
    x = 530,985.02

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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.