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Finding the Fourth Proportional to 704,916.90, 973,290.85 and 433,348.87

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Solution

The fourth proportional to 704,916.90, 973,290.85 and 433,348.87 is: 598,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,916.90 : 973,290.85 = 433,348.87 : x
  2. Step 2: Convert to fraction form
    704,916.90/973,290.85 = 433,348.87/x
  3. Step 3: Cross multiply
    704,916.90x = 973,290.85 × 433,348.87
  4. Step 4: Simplify right side
    704,916.90x = 421,774,490,028.84
  5. Step 5: Solve for x
    x = 421,774,490,028.84/704,916.90
  6. Step 6: Final answer
    x = 598,332.21

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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.